anatomy

Muscle that rotate the scapula upward are attached to

• a.Ventral lip of the medial border of the scapula.

• b. Dorsal lip of the medial border of the scapula.

All the muscles attached to the bicipital groove

• a. Abduct the arm (shoulder joint).

• b. Adduct the arm.

• c. Medial rotation of the arm.

• a and c.

• b and c

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The trapezius muscle is supplied by the:

• Cranial accessory nerve.

• Spinal accessory nerve.

• Long thoracic nerve.

• Dorsal scapular nerve.

• Thoracodorsal nerve

One of the following muscles is not a rotator cuff muscle

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• Infraspinatus.

• Teres minor.

• Teres major

• Subscapularis.

• Supraspinatus

The suprascapular nerve supplies

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• Muscle inserted into the upper impression of the greater tubercle

• Muscle inserted into the middle impression of the greater tubercle

• Muscle that initiates abduction of the arm.

• All of the above.

Paralysis of the serratus anterior muscle causes:

• Winging of the scapula.

• Claw hand.

• Ape hand.

The lesser tuberosity of the humerus gives attachment to

• Supraspinatus.

• Infraspinatus.

• Teres minor.

• Subscapularis

• All of the above.

The axillary nerve supplies the:

• a. Muscle that abducts the arm from zero to15

• b. Muscle that abducts the arm from 15° - 9O.

• c. Muscle that forms the rounded contour of the shoulder

• a and c.

• b and c

actions of the latissimus dorsi:

• Flexes the arm.

• Abducts the arm.

• Laterally rotates the arm.

• All of the above.

• None of the above

Paralysis of the deltoid muscle causes:

• Loss of abduction of the arm from zero to 15°.

• Loss of abduction of the arm from 15° - 90°

• Loss of abduction of the arm from zero to 90°