The need to develop more robust and applicable ACL injury prevention methods has resulted in sports-relevant factors being increasingly integrated within the
in vivo testing environment (
3,37). One such factor gaining recent research attention is that of neuromuscular fatigue (
6,25). Neuromuscular fatigue as it pertains to human performance can be simply defined as a decrease in the maximal voluntary force produced by a muscle or muscle group (
5,19). With regard to ACL injury, fatigue is proposed to increase risk by promoting extreme lower limb biomechanics, stemming from inadequate active joint stabilization via a suboptimal muscle activation strategy (
6,25,34). A more extended (hip and knee) landing posture (
7,34), increased out-of-plane hip rotations (
6), and resultant increases in three-dimensional (3D) knee motions and loads (
7,25,34) are common biomechanical outcomes of fatigued landings. Considering that these profiles culminate in concomitant increases in ACL loading (
31,36), countering neuromuscular fatigue effects within the ACL injury prevention modality seems well warranted.