ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2021
Ultrasound-based examination of the medial ligament complex shows gender- and age-related differences in laxity.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 13 citations in OpenAlex.
- Relative and absolute reliability of medial knee joint space width measurement using ultrasound imaging during valgus stress testing.PloS one · 2026Article
- Dynamic ultrasound enables quantitative assessment of medial knee instability: A scoping review.Journal of experimental orthopaedics · 2026Review
- Ultrasound can assess soft tissue laxity in osteoarthritic knees and after total knee arthroplasty.Journal of experimental orthopaedics · 2025Article
- Biomechanical testing of lateral and medial ligament reconstruction using bone anchors with autologous resident tissue: influence of different reconstruction techniques on stability and mobility.Archives of orthopaedic and trauma surgery · 2025Article
- The Risk of Secondary Knee Procedures After Anterior Cruciate Ligament Reconstruction-A Nationwide Retrospective Cohort Study.Journal of clinical medicine · 2025Article
- Ultrasonography of lateral elbow pain through a weighted varus flexion position contributes to detect minor instabilities.JSES international · 2025Article
- Diagnostic Musculoskeletal Ultrasound for Medial Collateral Ligament Injuries: Applications in Rehabilitation.International journal of sports physical therapy · 2024Article
- Dynamic Ultrasound Can Accurately Quantify Severity of Medial Knee Injury: A Cadaveric Study.Arthroscopy, sports medicine, and rehabilitation · 2022Article
- Ultrasound-based evaluation revealed reliable postoperative knee stability after combined acute ACL and MCL injuries.Journal of experimental orthopaedics · 2021Article
- Comprehensive Assessment of Medial Knee Joint Instability by Valgus Stress MRI.Diagnostics (Basel, Switzerland) · 2021Article
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8 authors at 4 institutions in 1 country.
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Abstract
purposeUltrasound (US) examination of the medial joint space of the knee has played a subordinate diagnostic role up till now. The purpose of the present study was to describe mean values of medial joint width and to investigate the impact of gender, age, and body mass index (BMI) on medial joint laxity in healthy knees using modern, dynamic US in a standardized fashion in unloaded and standardized loaded conditions.
methodsA total of 65 subjects with 79 healthy knees were enrolled in this study. All volunteers underwent clinical examination of the knee. The medial knee joint width was determined using US in a supine position at 0° and 30° of knee flexion in unloaded and standardized loaded (= 15 Dekanewton, daN) conditions using a specific device. Mean values were described and correlations between medial knee joint width and gender, age, and BMI were assessed.
resultsThirty-two females and 33 males were enrolled in this study. The mean medial joint width in 0° unloaded was 5.7 ± 1.2 mm and 7.4 ± 1.4 mm loaded. In 30° of knee flexion, the mean medial joint width was 6.1 ± 1.1 mm unloaded and 7.8 ± 1.2 mm loaded. The average change between unloaded and loaded conditions in 0° was 1.7 ± 1.0 mm and in 30° 1.7 ± 0.9 mm. A significant difference between genders was evident for medial joint width in 0° and 30° of flexion in unloaded and loaded conditions (p < 0.05). With rising age, a significant increased change of medial joint space width between unloaded and loaded conditions could be demonstrated in 0° (p = 0.032). No significant correlation between BMI and medial joint width in US could be found.
conclusionMean values of medial joint width in unloaded and standardized loaded conditions using a fixation device could be demonstrated. Based on the results of this study, medial knee joint width in US is gender- and age-related in healthy knees. These present data may be useful for evaluating patients with acute or chronic pathologies to the medial side of the knee. LEVEL OF EVIDENCE: III.
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