<prompt> Which movement is not affected in Ls root involvementKnee extensionKnee flexionToe extensionThigh adduction  <response>: D i.e. Thigh adduction - Movements affected by L5 nerve root include great long toe extension, main; ASIA, toe dorsiflexion, foot dorsiflexion eversion, knee flexion and hip abduction. Although knee extension is main movement of L3 root at ASIA and assessory movement of L4 root; there is some role of L5 S1 also because of tensor fascia lataQ which is supplied by L4L5S1. Whereas, hip adduction is accessory movement of L3 L4 root. 