First, had been going to do the higher extremities, which is together with the brachial plexus C5 by way of T1. We begin via having the patient comply with us. Please maintain your palms out like so. So, Im going to push on the elbows down. Thats checking the force of the deltoid muscle, which is specifically the C5 nerve. Next, have the patient go like so, and put your arm on the shoulder, and pull down on the biceps brachii, which is exceptionally C5-C6 We do it each side, and we look for a giveaway or we look for strength. Now, go out like this and extend your wrist. These are wrist extensors. We carry the palms in like so and we push down. The wrist extensors are exceptionally C6. That is the extensor carpi radialis longus and brevis muscle. Now, we flex our wrists. These are the wrist flexors above all C7.Hold the wrist down, please. And we are available like so. And try to push the wrist up. Please maintain the wrist down. This is the flexor carpi ulnaris muscle specially. Keep the wrist down. Now we now have the sufferer hold her fingers out like so. These are the finger extensors chiefly C7 extensor digitorum muscles, checking for C7 pushing down on the fingers. Now we’ve the sufferer curl the fingers, and Ive obtained my hand in like so. And Im trying to carry the fingers out, which is finger flexion which exams for C8. Then we have now the sufferer deliver the fingers out like so, and were checking for T1.This is the abductor interosseous muscles for T1. Maintain out, please. And by way of doing that, weve completed the muscle grading examination of the brachial plexus. Then had been checking for decrease extremity. Have been going to examine exceptionally L4, L5, and S1. And the way we try this with the patient in a sitting position is we carry the … Kneel down and have the patient roll their ankles in, and that assessments for force of … Hold them in, please. … The anterior tibialis muscle, which is specially L4. Withstand. So youre looking to roll the ankles out. Then what I do … Relax for me. … Is have the patient convey their toes up. All proper? And that i check for force of the significant toe, which is extensor hallucis longus, and strength for the opposite toes, which is extensor digitorum, which exams for notably L5.And then i’ve the patient roll the ankles out … Thank you… And maintain the out ankles for me. And that exams the peroneus longus and brevis, which is particularly S1. Hold, face up to for me. Face up to. Great..