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Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Cognitive-Motor Function and Anterior Cruciate Ligament Injury Risk: Exploring Relationships Between Clinical and

Fatemeh Aflatounian¹, Patrick D Fischer^1,2, James N Becker³

¹Department of Mechanical & Industrial Engineering, Montana State University, Bozeman, MT, USA.

Journal of Sport Rehabilitation

|August 21, 2025

Summary

This summary is machine-generated.

Cognitive-motor assessments after anterior cruciate ligament reconstruction did not directly correlate with injury risk biomechanics. However, single and dual task performance showed fair correlations with lab outcomes, suggesting potential for future predictive models in sports injury rehabilitation.

Keywords:

anterior cruciate ligament reconstruction clinical assessments cognitive-motor performance return to sport

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Area of Science:

Sports Medicine
Biomechanics
Rehabilitation Science

Background:

Assessing cognitive-motor function after anterior cruciate ligament (ACL) reconstruction is crucial for determining return-to-sport readiness.
Current assessments may not fully capture the complex interplay between cognitive and motor skills relevant to injury risk.

Purpose of the Study:

To determine the relationship between clinical measures of cognitive-motor interference and laboratory-based biomechanics predictive of second ACL injury.
To explore the utility of cognitive-motor assessments in predicting injury risk following ACL reconstruction.

Main Methods:

A cross-sectional study involving 36 individuals post-ACL reconstruction.
Clinical assessment of single (ST) and dual task (DT) hop tests.
Laboratory assessment of jump-landing biomechanics using motion capture, including anticipated (ST) and unanticipated (DT) secondary jump directions.
Analysis of key biomechanical predictors of second ACL injury, such as limb asymmetry in knee extensor moment and abduction range.

Main Results:

No significant correlations were found between cognitive-motor interference (DTC) in clinical tests and biomechanical predictors of second ACL injury.
Significant fair strength correlations were observed between clinical hop test outcomes and laboratory biomechanics when ST and DT were analyzed separately.
Specific correlations included ST range of knee abduction angle with ST triple hop performance for both involved and uninvolved limbs.

Conclusions:

Cognitive-motor interference measures (DTC) did not show direct associations with biomechanical second ACL injury predictors in this cohort.
Separate analysis of single and dual task performance revealed significant correlations, suggesting potential clinical utility.
Further prospective research is required to establish the predictive value of cognitive-motor function in guiding ACL rehabilitation and return-to-sport decisions.