6. The fo llowing are f the upper extremity. Name the movements they cause. some

Question

6. The fo llowing are f the upper extremity. Name the movements they cause. some of the muscles involved in movement at the shoulder and o Muscle Movement Trapezius Latissimus dorsi Biceps brachi Brachialis Triceps brachii 7. located in compartments Complete the following table with the muscles of the thigh that are divided by deep fascia. Give the functio ns of the muscles in each of the compartments. Functions Name of the Compartment Anterior Name the muscles in each group Posterior Medial MAKE THE CONNECTION 1. Botox was used originally as a treatment for muscle spasms. Now there is a surgery to use this drug to minimize fine lines and creases in the face by injecting it subdermally Botox is derived from bacterium The neurotoxin from this bacterium works by preventing motor neurons from releasing acetylcholine and thus preventing muscle contraction. How will this produce the desired cosmetic results? 121

Explanation / Answer

Ans 6 :

The movements of various muscles is dependent on their origin and insertions.

So here :

Trapezius : Movement of scapulae

Lattisimus dorsi : extension , adduction , horizontal abduction

Biceps brachii : Supination and flexion

Brachialis : Flexion of the arm

Triceps Brachii : Extension of elbow

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