<prompt> The involvement of the L5 Nerve Root can affect all of the below movements, except?Adduction of the ThighFlexion of the KneeExtension of the Great ToeExtension of the Knee  <response>: The L4 nerve root is involved in the adduction of the hip, extension of the knee and dorsiflexion of the ankle. Thigh adduction is not mediated the L5 nerve root. The muscles of thigh adduction are supplied by the Obturator Nerve. Obturator nerve L2 to L4 anterior divisions adducts and medially rotates the thigh. 