Abstract
Comparing the Knee Joint Kinematic Parameters During Landing at Different Minutes of Soccer Game
Highlights
O ne of the mechanisms of lower limb injury is landing
This study investigated the risk factors of Anterior Cruciate Ligament (ACL) injuries during landing at different minutes of a soccer game
The first few minutes of each half had the lowest knee flexion rate during landing; the odds of ACL injury incidence was higher during these intervals
Summary
O ne of the mechanisms of lower limb injury is landing. This movement can create a force as large as 2 to 12 times the bodyweight; the skeletal system must moderate such mechanical shock [1]. Repeated increasing impact forces during landing provide the basis for structural damage to the soft tissue around the joint [2]. Numerous factors influence the landing mechanics of football players. Some physiological factors, such as fatigue, increased knee valgus angle, and decreased knee flexion during landing, might affect them. Researchers reported that landing with decreased lower limb and knee flexion angles causes more significant anterior tibial shear force; they suggested that athletes flex their trunk and knee joints more frequently during landing [8]
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