Reversing lower extremity motion from flexion to extension:
— Resist the desired (stronger) pattern of lower extremity flexion. "Foot up and lift your leg up." (O Fig. 3.3 a)
— As the patient's leg approaches the end of the range, give a verbal cue (preparatory command) to get the patient's attention while you slide the hand that was resisting on the dorsum of the foot to the plantar surface (the dorsiflexor muscles are still active by irradiation from the proximal grip) to resist the patient's foot during the reverse motion.
— When you are ready for the patient to move in the new direction give the action command "Now push your foot down and kick your leg down." (O Fig. 3.3 b)
— As the patient starts to move in the new direction, move your proximal hand so that it also resists the new direction of motion (O Fig. 3.3 c).
O Fig. 3.2. Dynamic Reversal of the arm diagonal flexion-abduction into extensionadduction. a Reaching the end of flexion-abduction. b After changing the hands, resisting the movement into extension-adduction
O Fig. 3.2. Dynamic Reversal of the arm diagonal flexion-abduction into extensionadduction. a Reaching the end of flexion-abduction. b After changing the hands, resisting the movement into extension-adduction b a
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