Journal of Orthopaedic Science

Article	Citations
Japanese Orthopaedic Association 2019 Guidelines for osteonecrosis of the femoral head	42
Reference values for the locomotive syndrome risk test quantifying mobility of 8681 adults aged 20–89 years: A cross-sectional nationwide study in Japan	42
The application of 3D-printing technology in pelvic bone tumor surgery	41
Association between excessive smartphone use and cervical disc degeneration in young patients suffering from chronic neck pain	34
Trends in arthroplasty in Japan by a complete survey, 2014–2017	31
The COVID-19 outbreak limits physical activities and increases sedentary behavior: A possible secondary public health crisis for the elderly	31
Clinical outcome of condoliase injection treatment for lumbar disc herniation: Indications for condoliase therapy	31
Clinical and radiologic comparison of anterior-posterior single-position lateral surgery versus MIS-TLIF for degenerative lumbar spondylolisthesis	28
The effectiveness of chemonucleolysis with condoliase for treatment of painful lumbar disc herniation	27
Effect of Pilates mat exercise and home exercise programs on pain, functional level, and core muscle thickness in women with chronic low back pain	22
A novel treatment strategy using continuous local antibiotic perfusion: A case series study of a refractory infection caused by hypervirulent Klebsiella pneumoniae	21
Predicting in-hospital mortality for dementia patients after hip fracture surgery – A comparison between the Charlson Comorbidity Index (CCI) and the Elixhauser Comorbidity Index	20
High body mass index is a risk factor for unfavorable clinical outcomes after medial meniscus posterior root repair in well-aligned knees	20
Japanese Orthopaedic Association (JOA) clinical practice guidelines on the management of lumbar spinal stenosis, 2021 - Secondary publication	19
A comparison between the femoral neck system and other implants for elderly patients with femoral neck fracture: A preliminary report of a newly developed implant	19
Biodegradation ZK50 magnesium alloy compression screws: Mechanical properties, biodegradable characteristics and implant test	18
Disc degeneration could be recovered after chemonucleolysis with condoliase.-1 year clinical outcome of condoliase therapy-	17
Single-level controlled comparison of OLIF51 and percutaneous screw in lateral position versus MIS-TLIF for lumbosacral degenerative disorders: Clinical and radiologic study	16
Japanese Orthopaedic Association (JOA) clinical practice guidelines on the management of ossification of the spinal ligament, 2019	16
Mid-term migration pattern of a calcar-guided short stem: A five-year EBRA-FCA-study	16
A systematic review and meta-analysis comparing anterior decompression with fusion and posterior laminoplasty for cervical spondylotic myelopathy	16
miR-204-5p inhibits inflammation of synovial fibroblasts in osteoarthritis by suppressing FOXC1	15
An MRI-based suspension bridge sign can predict an arthroscopically favorable meniscal healing following the medial meniscus posterior root repair	15
Comparison of the spinal characteristics, postural stability and quality of life in women with and without osteoporosis	15
Association between central sensitivity syndrome and psychological factors in people with presurgical low back pain: A cross-sectional study	15

Predictors of dropout from cohort study due to deterioration in health status, with focus on sarcopenia, locomotive syndrome, and frailty: From the Shiraniwa Elderly Cohort (Shiraniwa) study	14
Treatment outcomes of adjunctive teriparatide therapy for medication-related osteonecrosis of the jaw (MRONJ): A multicenter retrospective analysis in Japan	14
Preoperative risk factors for deep vein thrombosis in knee osteoarthritis patients undergoing total knee arthroplasty	14
Comparison of anterior decompression with fusion and posterior decompression with fusion for cervical spondylotic myelopathy—A systematic review and meta-analysis	14
Projected numbers of knee and hip arthroplasties up to the year 2030 in Japan	14
The ratio of C2–C7 Cobb angle to T1 slope is an effective parameter for the selection of posterior surgical approach for patients with multisegmental cervical spondylotic myelopathy	13
Union evaluation of lumbar spondylolysis using MRI and CT in adolescents treated conservatively	13
A spreading roots sign: Characteristic sign of the preliminary stage of medial meniscus posterior root tear on magnetic resonance imaging	13
Collagen profiling of ligamentum flavum in patients with lumbar spinal canal stenosis	13
Second-look arthroscopy after meniscus repair and synovial mesenchymal stem cell transplantation to treat degenerative flaps and radial tears of the medial meniscus: A case report	12
Validation and defining the minimal clinically important difference of the Japanese version of the IKDC Subjective Knee Form	12
Development of a simple screening tool based on the 5-question geriatric locomotive function scale for locomotive syndrome	12
Medial meniscus posterior root repairs: A comparison among three surgical techniques in short-term clinical outcomes and arthroscopic meniscal healing scores	12
Japanese Orthopaedic Association (JOA) clinical practice guidelines on the management of lumbar disc herniation, third edition - secondary publication	12
Effect of race, age, and gender on lumbar muscle volume and fat infiltration in the degenerative spine	12
Seasonal variation in incidence and causal organism of surgical site infection after PLIF/TLIF surgery: A multicenter study	11
Influences of limited flexibility of the lower extremities and occurrence of low back pain in adolescent baseball players: A prospective cohort study	11
Two case reports of intra-articular nodular fasciitis of the knee confirmed by MYH9-USP6 gene fusion expression	11
D-dimer for diagnosis of periprosthetic joint infection: A meta-analysis	11
Clinical and pathological analysis of giant cell tumor of bone with denosumab treatment and local recurrence	11
Locomotive Syndrome is associated with chronic pain and poor quality of life in Brazilian oldest old: LOCOMOV Project	11
The efficacy of total hip arthroplasty on locomotive syndrome and its related physical function in patients with hip osteoarthritis	11
The efficacy of surgical treatment on locomotive syndrome and physical function in patients with lumbar spinal canal stenosis	11
Occupational ionizing radiation-induced skin injury among orthopedic surgeons: A clinical survey	11
Return to sports after arthroscopic bankart repair on the dominant shoulder in overhead athletes	11
Percutaneous reduction, cannulated screw fixation and calcium sulfate cement grafting assisted by 3D printing technology in the treatment of calcaneal fractures	11
Japanese Orthopaedic Association (JOA) clinical practice guidelines on the management of soft tissue tumors 2020 - Secondary publication	11
Safe angles of ATFL and CFL anchor insertion into anatomical attachment of fibula in a lateral ankle ligament repair	11
Effectiveness of a Back School and Postural Education Program on the improvement of literacy about postures and low back pain in adolescents: A 1-year follow-up study	10
Effectiveness of Ilizarov external fixation in elderly patients with pilon fractures	10
Analysis for clinical feature and outcome of chondroblastoma after surgical treatment: A single center experience of 92 cases	10
Low serum albumin concentration is associated with increased risk of osteoporosis in postmenopausal patients with rheumatoid arthritis	10
Is Ranawat triangle method accurate in estimating hip joint center in Japanese population?	10
Differences in cellular and microstructural properties of the semitendinosus muscle tendon between young and adult patients	10
Chronic recurrent multifocal osteomyelitis (CRMO) involving spine: A case report and literature review	10
Effect of total hip arthroplasty on improving locomotive syndrome in hip disease patients: A prospective cohort study focused on total clinical decision limits stage 3	9
Factors related to length of hospital stay after two-stage corrective surgery for adult spinal deformity in elderly Japanese	9
Prognostic nutritional index as a risk factor for aseptic wound complications after total knee arthroplasty	9
Impact of strict population confinement on fracture incidence during the COVID-19 pandemic. Experience from a public Health Care Department in Spain	9
Tranexamic acid administration for arthroscopic rotator cuff repair: A prospective, double-blind, randomized controlled trial	9
Which is the optimal minimally invasive treatment for osteoid osteoma of the hip? A systematic review and proportional meta-analysis	9
Factors affecting internal rotation after reverse shoulder arthroplasty	9
Anatomical study of cervical intervertebral foramen in patients with cervical spondylotic radiculopathy	9
Predictors of residual low back pain after acute osteoporotic compression fracture	9
Effect of eldecalcitol on muscle function and fall prevention in Japanese postmenopausal women: A randomized controlled trial	9
Medial meniscus posterior root repair prevents the progression of subchondral insufficiency fracture of the knee	9
Femoral Neck System vs. four cannulated screws in the treatment of Pauwels III femoral neck fracture	8
Risk factors for recurrence and regrowth of spinal schwannoma	8
Vascular anatomy and surgical approach in oblique lateral interbody fusion at lumbosacral transitional vertebrae	8
Residual graft tension after graft fixation in anterior cruciate ligament reconstruction: Manual vs tensioning boot techniques	8

Formulation of Japanese Orthopaedic Association (JOA) clinical practice guideline for the management of low back pain- the revised 2019 edition	8
Clinical results of arthroscopic rotator cuff repair in diabetic and non-diabetic patients	8
Effects of the tibial tunnel position on knee joint stability and meniscal contact pressure after double-bundle anterior cruciate ligament reconstruction	8
Accuracy of pedicle screw placement using patient-specific template guide system	8
The trend of treatment and conveyance system for upper extremity replantation in Japan: A nationwide population-based study from the Japan trauma data bank	8
Correction surgery for adult spinal deformity improves not only spinopelvic alignment but also the three-dimensional alignment of the lower extremities	8
Anteromedial plating without filling the gap in open wedge high tibial osteotomy may increase the risk of screw breakage, which can be reduced by medial plating and bone-substitute insertion	8
Influence of different energy patterns on efficacy of radial shock wave therapy	8
Preoperative pain catastrophizing affects pain outcome after total knee arthroplasty	8
Deletion of inflammasome adaptor protein ASC enhances functional recovery after spinal cord injury in mice	8
Factors associated with disc degeneration based on Pfirrmann criteria after condoliase treatment for lumbar disc herniation	8
Predictors of preoperative deep vein thrombosis in hip fractures: A systematic review and meta-analysis	8
Prognostic impact of IDH mutations in chondrosarcoma	8
Hybrid fixation versus full-cemented or full-cementless fixation in total knee arthroplasty: Systematic review and meta-analysis of comparative studies	7
Influence of potentially inappropriate medications on activities of daily living for patients with osteoporotic vertebral compression fractures: A retrospective cohort study	7
Facilitatory effects of artificial nerve filled with adipose-derived stem cell sheets on peripheral nerve regeneration: An experimental study	7
Surgical margin for phosphaturic mesenchymal tumors in soft tissues: An analysis of the radiological histopathological correlation	7
Association between the 25-question Geriatric Locomotive Function Scale score and the incidence of certified need of care in the long-term care insurance system: The TOEI study	7
The complication trends of adult spinal deformity surgery in Japan – The Japanese Scoliosis Society Morbidity and Mortality survey from 2012 to 2017	7
Sacroiliac joint degeneration is common in patients with end-stage hip osteoarthritis secondary to unilateral developmental dysplasia of the hip: Factors associated with its severity and laterality	7
A clinical prediction rule for predicting a delay in quality of life recovery at 1 month after total knee arthroplasty: A decision tree model	7
Diffuse idiopathic skeletal hyperostosis: A potential factor in the induction of thoracic spondylotic myelopathy	7
Clinical outcomes in patients with retear after arthroscopic rotator cuff repair: A meta-analysis	7
Peri-implant atypical femoral fracture after nail or plate osteosynthesis	7
Cognitive factors associated with locomotive syndrome in chronic pain patients: A retrospective study	7
Associations between core stability and low back pain in high school baseball players: A cross-sectional study	7
Intra-articular injection of culture-expanded adipose tissue-derived stem cells for knee osteoarthritis: Assessments with clinical symptoms and quantitative measurements of articular cartilage volume	7
Effects of eldecalcitol alone or a bone resorption inhibitor with eldecalcitol on bone mineral density, muscle mass, and exercise capacity for postmenopausal women with distal radius fractures	7
A systematic review and meta-analysis comparing intrawound vancomycin powder and povidone iodine lavage in the prevention of periprosthetic joint infection of hip and knee arthroplasties	7
Understanding the effect of non-surgical factors in a transcranial motor-evoked potential alert: A retrospective cohort study	7
Pathological fracture does not affect prognosis in dedifferentiated chondrosarcoma of the limbs	7
Impact of tuberosity treatment in reverse shoulder arthroplasty after proximal humeral fractures: A multicentre study	7
Comparison of bacteria isolated from open fractures following debridement and subsequent infection	7
Efficacy of duloxetine for multisite pain in patients with knee pain due to osteoarthritis: An exploratory post hoc analysis of a Japanese phase 3 randomized study	7
Clinical outcomes comparison of distal radius fractures between two conservative treatment methods: Below-arm cast versus reverse sugar tong splint	7
Diagnosis of medial meniscal ramp lesion is difficult by pre-operative magnetic resonance imaging evaluation and needs a methodical arthroscopic exploration	7
Insufficient integrity of partial articular surface tendon avulsion lesions after arthroscopic trans-tendon repair: Comparison with integrity after arthroscopic repair after conversion to a full thick	6
Preoperative scoring system for predicting early adjacent vertebral fractures after Balloon Kyphoplasty	6
Factors affecting the outcome of septic arthritis of the shoulder joint with arthroscopic management	6
Impact of body mass index on surgical outcomes and complications in adult spinal deformity	6
Is brace treatment unnecessary for cases of adolescent idiopathic scoliosis above Risser sign 3?	6
Locking versus nonlocking superior plate fixations for displaced midshaft clavicle fractures: A prospective randomized trial comparing clinical and radiografic results	6
Proximal humeral fractures treated with a low-profile plate with enhanced fixation properties	6
Analysis of the risk factors of mortality in elderly patients with hip fracture using a combined database of medical and long-term care insurance claims data	6
The clinical outcomes and tuberosity healing after reverse total shoulder arthroplasty for acute proximal humeral fracture using the turned stem tension band technique	6
The impact of system and diagnostic errors for medical litigation outcomes in orthopedic surgery	6
Analysis of the impact of spinopelvic radiographic parameters on the severity of cervical spondylotic myelopathy	6
Long-term outcome of primary total hip arthroplasty with cementless bioactive glass ceramic bottom-coated implants and highly cross-linked polyethylene: A minimum 10-year analysis	6
Spinal shortening osteotomy for adult tethered cord syndrome evaluated by intraoperative ultrasonography	6
Characteristic imaging findings predicting the risk of conservative treatment resistance in fresh osteoporotic vertebral fractures with poor prognostic features on magnetic resonance imaging	6
The reliability and validity of the modified Unified Classification System for periprosthetic femoral fractures after hip arthroplasty	6
Japanese Orthopaedic Association (JOA) Clinical practice guidelines on the Management of Cervical Spondylotic Myelopathy,2020 – Secondary publication	6
Comparison between tension band and cerclage with X-Plate and lag screws in treatment of comminuted patellar fractures	6
Differences between the root and horn cells of the human medial meniscus from the osteoarthritic knee in cellular characteristics and responses to mechanical stress	6
Japanese Orthopaedic Association (JOA) clinical practice guidelines on the management of lateral epicondylitis of the humerus - Secondary publication	6
Use of artificial intelligence to identify data elements for The Japanese Orthopaedic Association National Registry from operative records	6
Iatrogenic peripheral nerve injuries – Common causes and treatment: A retrospective single-center cohort study	6
Efficacy of whole-body cryotherapy in the treatment of chronic low back pain: Quasi-experimental study	6
Clinical features of bone and soft tissue tumors of the foot and ankle: Results from a retrospective single-center case-series	6
Persistent low bone mineral density in adolescent idiopathic scoliosis: A longitudinal study	6
Endoscopic reconstruction for chronic Achilles tendon ruptures using a hamstring tendon autograft	6
Risk factors for predicting cement leakage in percutaneous vertebroplasty for spinal metastases	6
Development of a tool for screening the severity of locomotive syndrome by the loco-check	6
Hidden blood loss in extreme lateral interbody fusion for adult spinal deformity	6
Comparison of the clinical and radiological outcomes between an isolated tibial component revision and total revision knee arthroplasty in aseptic loosening of an isolated tibial component	6
Accuracy of cup placement using computed tomography-based navigation system in total hip arthroplasty through the direct anterior approach	6
Effects of peripheral tears of the triangular fibrocartilage complex on distal radioulnar joint stability: A biomechanical study	5
Clinicopathological and prognostic value of NADPH oxidase 2 (NOX2) in primary osteosarcoma	5
Effects of perioperative exercise therapy combined with nutritional supplementation on functional recovery after fast-track total hip arthroplasty	5
Iatrogenic radial nerve palsy in the surgical treatment of humerus shaft fracture -anterolateral versus posterior approach: A systematic review and meta-analysis	5
Recurrent anterior shoulder instability in patients 40–60 years old. Accompanying injuries and patient outcomes of arthroscopic repair	5
Acute celiac artery compression syndrome with superior mesenteric artery stenosis and aortic stenosis: A rare but life-threatening complication after adult spinal deformity surgery	5
Clinical analysis of multimodal treatment for localized synovial sarcoma: A multicenter retrospective study	5
Risk factors of multidrug-resistant pyogenic spondylitis in thoraco-lumbar spine: A retrospective study of 122 cases	5
Sagittal imbalance of the spine-pelvis-lower extremity axis associated with back-related disability	5
Motion analysis and surgical results of anterior transfer of flexor hallucis longus for equinovarus gait in children with hemiplegia	5
Biportal endoscopic spine surgery in the treatment of multi-level spontaneous lumbar epidural hematoma: Case report	5
Comparison of outcome between percutaneous pedicle screw fixation and the Mini-Open Wiltse Approach with pedicle screw fixation for neurologically intact thoracolumbar fractures: A retrospective study	5
Systemic inflammation response index (SIRI) as a predictive factor for overall survival in advanced soft tissue sarcoma treated with eribulin	5
Oxidative stress as a critical factor might involve in intervertebral disc degeneration via regulating NOXs/FOXOs	5

Clinical prediction rule for locomotive syndrome in older adults: A decision tree model	5
Outcome of carpal tunnel release in patients with normal nerve conduction studies	5
The relationship between pelvic tilt, frontal, and axial leg alignment in healthy subjects	5
The prevalence and clinical characteristics of sacroiliac joint dysfunction in adolescent baseball players	5
Association between sagittal spinal alignment and postoperative shoulder range of motion following reverse total shoulder arthroplasty	5
Analysis of medial tibial plateau fracture injury patterns using quantitative 3D measurements	5
Acetabular fractures in elderly	5
Condoliase therapy for lumbar disc herniation -2 year clinical outcome-	5
Risk factors for recurrence of hallux valgus deformity after minimally invasive distal linear metatarsal osteotomy	5
Transosseous tunnels versus suture anchors for the repair of acute quadriceps and patellar tendon ruptures: A systematic review and meta-analysis of biomechanical studies	5
Treatment approaches for congenital transverse limb deficiency: Data analysis from an epidemiological national survey in Japan	5
Challenges and responses of elective orthopaedic surgery during the second wave of COVID-19	5
A longitudinal study for the prediction of the mature acetabular morphology using childhood magnetic resonance imaging	5
Early weight bearing and mobilization decrease perioperative complications in patients after ankle fracture; the retrospective multicenter (TRON group) study	5
The association of comorbidities with the 25-question geriatric locomotive function scale and the diagnosis of locomotive syndrome	5
Radiographic evaluation of patellofemoral alignment in kinematically aligned total knee arthroplasty: A comparative study with mechanically aligned total knee arthroplasty	5
Accuracy of robotic-assisted pedicle screw placement comparing junior surgeons with expert surgeons: Can junior surgeons place pedicle screws as accurately as expert surgeons?	5
Biomechanical comparison of proximal interlocking screw constructs in different subtrochanteric fracture models	5
Sex differences in reference values of hip acetabular measurements using computed tomography in Japanese adults and the effect of aging on the measurement parameters	5
Patellar resurfacing in total knee arthroplasty leads to better isokinetic performance	5
Effect of hyperdry amniotic membrane in preventing tendon adhesion in a rabbit model	5
Radiological findings and outcomes of anterior wall fractures in pertrochanteric fractures	5
The incidence of unplanned excision in patients with soft tissue sarcoma: Reports from the Bone and Soft Tissue Tumor registry in Japan	5
Biomechanical analysis of bioabsorbable suture anchors for rotator cuff repair using osteoporotic and normal bone models	5
Stress and strain changes of the anterior cruciate ligament at different knee flexion angles: A three-dimensional finite element study	5
Investigation of association between the preoperative intra-articular anesthetic test and persistent pain after total knee arthroplasty	4
Impact of background factors on outcomes of pharmacological therapy for chronic low back pain: A nationwide multicenter prospective study	4
Preoperative radius head dislocation affects forearm rotation after mobilization of congenital radioulnar synostosis	4
Stepwise decision making for CFL repair in addition to arthroscopic ATFL repair yields good clinical outcomes in chronic lateral ankle instability regardless of the remnant quality	4
Alterations in serum IL-6 levels in traumatized pediatric patients: A preliminary study for second hit concept	4
Is grip strength useful in screening to predict the severity of locomotive syndrome?	4
Significance of long corrective fusion to the ilium for physical function in patients with adult spinal deformity	4
A118G polymorphism of OPRM1 gene caused different morphine consumption in female patients after total knee replacement	4
A new technique useful for lumbosacral percutaneous pedicle screw placement without fluoroscopy or computer-aided navigation systems	4
Complications of total hip arthroplasty for patients with osteopetrosis: A report of four hips in two patients	4
Outcomes and complications after arthroplasty in patients with osteonecrosis of humeral head- systematic review	4
Unfavorable cortical hypertrophy potentially predisposes to periprosthetic “axe splitter” fracture in a collarless polished curved triple-tapered cemented stem: The time-dependent radiographic change	4
The complication trends of pediatric spinal deformity surgery in Japan – The Japanese Scoliosis Society Morbidity and Mortality survey from 2012 to 2017	4
The 5-question Geriatric Locomotive Function Scale predicts postoperative fall risk in patients undergoing surgery for degenerative cervical myelopathy	4
Factors affecting stress shielding and osteolysis after reverse shoulder arthroplasty: A multicenter study in a Japanese population	4
Effects of the location of both anterior and lateral boundaries of the necrotic lesion on collapse progression in osteonecrosis of the femoral head	4
Predictive formulae of ideal lumbar lordosis determined by individual pelvic incidence and thoracic kyphosis in asymptomatic adults	4
Indication for drainage for a hematogenous iliopsoas abscess: Analysis of patients initially treated without drainage	4
Glenoid wear after humeral head replacement with using a single implant in patients with cuff tear arthropathy more than five years	4
Condoliase chemonucleolysis for lumbar disc herniation: A post-hoc follow-up study of patients in previous clinical trials	4
Immediate effect of mechanical lumbar traction in patients with chronic low back pain: A crossover, repeated measures, randomized controlled trial	4
Orthogeriatric co-management at a regional core hospital as a new multidisciplinary approach in Japanese hip fracture operation	4
Image-guided core needle biopsy for musculoskeletal lesions	4
Clinical and radiological outcomes of total hip arthroplasty using a highly porous titanium cup or a conventional hydroxyapatite-coated titanium cup: A retrospective study in Japanese patients	4
How do lateral hinge and distraction affect three-dimensional rotation in open wedge high tibial osteotomy?	4
Reamed versus unreamed intramedullary nailing for the treatment of femoral shaft fractures among adults: A meta-analysis of randomized controlled trials	4
The radiographic characteristics and developmental mechanism of the lumbar degenerative retrolisthesis under a high-grade PI	4
Evaluation of consistency of patient-satisfaction score in the 2011 Knee Society Score to other patient-reported outcome measures	4
Association between locomotive syndrome and fall risk in the elderly individuals in Japan: The Yakumo study	4
Is lateral acetabular rotation sufficient to correct anterolateral deficiency in periacetabular reorientation osteotomy? A CT-Based simulation study	4
Characteristics affecting cervical sagittal alignment in patients with chronic low back pain	4
Comparison of anemia, renal function, and nutritional status in older women with femoral neck fracture and older women with osteoarthritis of the hip joint	4
Shoulder training using shoulder assistive robot in a patient with shoulder elevation dysfunction: A case report	4
Nerve capping technique with nerve conduit for treating painful digital neuroma: A case report	4
Rosiglitazone induces adipogenesis of both marrow and periosteum derived mesenchymal stem cells during endochondral fracture healing	4
Long-term outcomes and duration of outdoor ambulation following primary total knee arthroplasty in patients with rheumatoid arthritis	4
A comparative study of surgical outcomes between anterior cervical discectomy with fusion and selective laminoplasty for cervical spondylotic myelopathy	4
Association between type 2 diabetes status and osteoarthritis in adults aged ≥ 50 years	4
Clinical experience of the use of reamer irrigator aspirator in Japanese patients: A report of the first 42 cases	4
Expression and function of fibroblast growth factor 1 in the hypertrophied ligamentum flavum of lumbar spinal stenosis	4
The stability of repaired meniscal root can affect postoperative cartilage status following medial meniscus posterior root repair	4
Adolescent tibial tubercle fractures in the time of the COVID 19: A single orthopedic trauma center experience	4
Dynamics of surgical smoke in the operating room during spinal surgery: Comparison of particulate matter 2.5-air concentration between the electric scalpel with and without a smoke evacuation pencil:	4
Passive ankle motion and calf massage without anticoagulation therapy after total hip arthroplasty: A retrospective study	4
Obesity is a risk factor for osteoarthritis progression and spontaneous osteoporosis is a risk for the development of spontaneous osteonecrosis in patients with medial meniscus posterior root tear	4
Impact of preoperative cervical sagittal alignment for cervical myelopathy caused by ossification of the posterior longitudinal ligament on surgical treatment	4
Internal bracing with an artificial ligament for superficial medial collateral ligament injury impairs the mechanical property of repaired native ligament: A porcine study	4
The feasibility of iodine-supported processing for titanium with different surfaces	4
Hand grip strength as a predictor of recovery from low back pain in the pregnant women-a prospective study	4
Effect of intramuscular fat in the thigh muscles on muscle architecture and physical performance in the middle-aged women with knee osteoarthritis	4
Prevalence and predisposing factors of neuropathic pain in patients with rotator cuff tears	4
A novel approach for identifying serological markers indicative of surgical-site infection following spine surgery: Postoperative lymphopenia is a risk factor	4
Influence of the timing of surgery for cervical spinal cord injury without bone injury in the elderly: A retrospective multicenter study	4
Semi-quantitative arthroscopic scoring system is related to clinical outcomes in patients after medial meniscus posterior root repair	4
Retinal hemorrhage and transient consciousness disturbance after biportal endoscopic lumbar discectomy: A case report and literature review	4
Chronic recurrent multifocal osteomyelitis: A multidisciplinary experience of 22 pediatric cases with a mean follow-up of 27 months	4
Four types of global spine sagittal alignment and compensation mechanism in adult patients with lumbar degenerative disease	4
FBLN1 promotes chondrocyte proliferation by increasing phosphorylation of Smad2	4
Risk predictors of perioperative complications for the palliative surgical treatment of spinal metastasis	4
Predictive factors of the 30-day mortality after surgery for spinal metastasis: Analysis of a nationwide database	4
Recurrent hip instability after hip reconstruction in cerebral palsy children with spastic hip disease	4
Assessment of locomotive syndrome in patients with visceral cancer, the comparison with non-cancer patients using propensity score matching	3
How long will it take to reach the gender diversity goal for orthopaedics in Japan?	3
Low-intensity pulsed ultrasound is frequently used to treat fractures after osteosynthesis in elderly patients: A study using open data from the national database of health insurance claims of Japan	3
Exosomes from microRNA 146a overexpressed bone marrow mesenchymal stem cells protect against spinal cord injury in rats	3
Radiographic effects observed in the coronal view after medial malleolar osteotomy at total ankle arthroplasty in rheumatoid arthritis cases	3
Clinical outcomes and affecting factors of ipsilateral femoral neck and shaft fractures - Multination, multicenter analysis	3
Changes in patellar height after anatomical ACL reconstruction with BTB autograft with a focus on patellar tendon removal volume	3
Foot morphology and correlation with lower extremity pain in Japanese children: A cross-sectional study of the foot posture Index-6	3
K-line (−) in the neck-flexed position negatively affects surgical outcome of expansive open-door laminoplasty for cervical spondylotic myelopathy	3