Active Lying Knee Extension

Active Lying Knee Extension Test

Instructions

Preparation

Lie supine on mat or bench. Bend hip and knee at right angles so thigh is vertical and lower leg is horizontal. Starting position show.

Execution

Extend knee and hold position. Repeat on opposite leg.

Measurement

Angle of knee is noted. Achieving a 5° to 15° bend is desirable.

Comments

Ankle may be kept in neutral position or plantar flexed (pointed). Thigh may be stabilized vertically by test administrator or subject using a mirror.

Assesses

Joint ROM: Knee Extension
Flexibility: Hamstrings
Force: Active

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