practical 1 second order Flashcards

1
Q

trapezius muscle

A

-elevate and superiorly rotate scapula; depress scapula
-medial attachment: occipital bone
-lateral attachment: clavicle
-innervation: accessory nerve

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2
Q

latissimus dorsi muscle

A

-agonist of arm extension; adducts arm and medially rotates arm
-proximal attachment: thoracic vertebrae; iliac crest
-distal attachment: humerus
-innervation: thoracodorsal nerve

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3
Q

rhomboid major muscle

A

-elevate and retract scapula; inferiorly rotate scapula
-medial attachment: thoracic vertebrae
-lateral attachment: scapula
-innervation: dorsal scapular nerve

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4
Q

teres minor muscle

A

-adducts and laterally rotates arm
-proximal attachment: scapula
-distal attachment: humerus
-innervation: axillary nerve

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5
Q

supraspinatus muscle

A

-abducts arm
-proximal attachment: scapula
-distal attachment: humerus
-innervation: suprascapular nerves

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6
Q

subscapularis muscle

A

-medially rotates arm
-proximal attachment: scapula
-distal attachment: humerus
-innervation: upper and lower subscapular nerves

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7
Q

splenius capitas muscle

A

-turns head to the same side (unilateral); extends head and neck (bilateral)
-superior attachment: occipital and temporal bone
-inferior attachment: ligamentum nuchae
-innervation: cervical spinal nerves

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8
Q

gluteus maximus muscle

A

-extends thigh; laterally rotates thigh
-proximal attachment: iliac crest, sacrum, coccyx
-distal attachment: femur
-innervation: inferior gluteal nerve

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9
Q

gluteus medius muscle

A

-abducts thigh; medially rotates thigh
-proximal attachment: posterior iliac crest
-distal attachment: femur
-innervation: superior gluteal nerve

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