Figure 1 : Qualitative analysis of single leg loading (QASLS).


QASLS Task : Single leg squat Score

    Left Right

Arm strategy Excessive arm movement to balance -- --
Trunk alignment Leaning in any direction -- --
Pelvic plane Loss of horizontal plane -- --
Excessive tilt or rotation -- --
Thigh motion WB thigh moves into hip adduction -- --
NWB thigh not held in neutral -- --
Knee position Patella pointing towards 2nd toe (noticeable valgus) -- --
Patella pointing past inside of foot (significant valgus) -- --
Steady stance Touches down with NWB foot -- --
Stance leg wobbles noticeably -- --
Almangoush et al.Physical Therapy and Rehabilitation  2014 1:2DOI : 10.7243/2055-2386-1-2