Single Leg Squat (SLS) Test

The single-leg squat test is a commonly used functional test of the hip and lower leg, and also has an element of balance.

purpose: to measure the strength of the lower body, particularly the quadriceps and gluteal muscle groups, and the hip stabilizers.

equipment required: none

pre-test: Explain the test procedures to the subject. Perform screening of health risks and obtain informed consent. Prepare forms and record basic information such as age, height, body weight, gender, test conditions. Perform an appropriate warm-up. See more details of pre-test procedures.

procedure: Stand on one leg while the other leg is lifted off the ground in front of the body so that the hip is flexed to approximately 45° and the knee of the non-stance leg flexed to approximately 90°. The arms are held straight out in front, with the hands clasped together. From this position, squat down until about 60° knee flexion, then return to the start position. Note the leg that was tested.

scoring: clinical observation usually involves assessment of knee and hip stability. In the single leg squat test which was once performed at NHL combine, each player must perform five successive repetitions on each leg, with each squat worth 15 points with a maximum score of 75 (per leg).

variations / alternatives: see also these other hip and thigh strength tests: wall sit test, chair stand and the home squat test. There is also some balance tests which require standing on one leg: the Flamingo Balance and Stork Stand Test

advantages: This test is simple to perform and requires minimal equipment.

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