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View Help Tell me what you want to do Normal No Spac. 1 No Spac.. Heading 1 Heading 2 Paragraph Question 2 options: Styles Contracting either the deltoid or the supraspinatus muscle would adduct the arm at the shoulder The biceps brachi is named tbiceps because two different muscles make up the biceps brachii. These two muscles are the brachioradialis and Contaction of the latissimus dorsi would cause shoulder adduction The biceps brachi would be an example of a 3rd class lever because the fulcrum Goint) is inbebucgn the effort (muscle) and load (weight at the end of the arm) Contracting the trapezius could cause elevation of the scapula The brachialis is involved an am extension and therefore would act as a synergist to the triceps brachis When the diapbragm contracts, ae is forced out of the hungs. (i e Contraction of the diaphragm causes exhalation) AZ

Explanation / Answer

Ans

1) False

Deltoid and supraspinatous causes abduction of arm at the shoulder.

2) False

Biceps brachii is named so because of its two heads short and long head.

3) True

Lattismus dorsi causes adduction of shoulder.

4) False

Biceps brachii acts as class 3 lever in which fulcrum is elbow joint and load is forearm, hand or wrist.

U should post ur question in multiple parts only 3-4 questions in one image. According to chegg guidelines we have to answer min 4 questions only .

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