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21 Cards in this Set
- Front
- Back
The intrinsic back muscles develop from the _____ and are innervated by the _____ of the spinal nerve
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epimere
posterior rami |
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The extrinsic back muscles develop from the ____ and are innervated by the _____
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hypomere
anterior rami |
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The trapezius is innervated by the _______
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spinal accessory nerve (CN XI)
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These portions of the trapezius are involved in upward rotation of the scapula:
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upper and lower parts of the trapezius
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Injury to the thoracodoral nerve (C6-C8) would cause loss of function to this muscle
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Latissimus dorsi
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A patient has no sensation or control of his latissimus dorsi muscle. This could be cause by injury to which nerve?
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thoracodoral nerve - C6-C8
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Damage to the axillary nerve (C5-C6) will cause loss of function to muscle(s):
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Deltoid
Teres minor |
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Damage to the suprascapular nerve (C5-C6) would cause loss of function to muscle(s):
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Supraspinatus
Infraspinatus |
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This/these muscle(s) from the rotator cuff causes lateral rotation of the arm
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infraspinatus
teres minor |
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The levatator scauplae is "segmentally" innervated by nerve(s):
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C3-C4
dorsal scapular nerve C5 |
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Injury to the dorsal scapular nerve (C5) may cause loss of function of:
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Rhomboid minor/major
Partial loss of levator scapulae (also segmentally innervated by C3-C4) |
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The Rhomboid minor/major innervated by nerve(s):
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dorsal scapular nerve (C5)
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A patient is unable to abduct his arm from 15 degrees to 90 degrees. This would indicate damage to what muscle(s) and nerve(s):
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deltoid
Axillary nerve (C5-C6) |
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The suprascapular nerve (C5-C6) innervates the supraspinatus after passing through _____
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the suprascapular notch
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The suprascapular nerve (C5-C6) innervates the infraspinatus after passing through _____
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the spinoglenoid notch of the scapula
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A patient comes in and is unable to abduct his arm the first 15 degrees. This could be caused by damage to this muscle(s) and nerve(s):
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Supraspinatus
Suprascapular nerve (C5-C6) |
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Damage to this nerve(s) may cause a loss of function to the infraspinatus
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Suprascapular nerve (C5-C6)
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Loss of function to the teres minor may be caused by this nerve(s):
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Axillary nerve (C5-C6)
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A patient who is unable to medially rotate his arm may be suffering from damage to these muscle(s) and nerve(s)
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subscapularis/teres major
subscapular nerve (C5-C7) |
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The subscapularis is innervated by this nerve(s)
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upper and lower subscapularis (C5-C7)
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The teres major is innervated by this nerve(s):
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lower subscapularis (C5-C7)
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