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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
epimere

posterior rami
The extrinsic back muscles develop from the ____ and are innervated by the _____
hypomere

anterior rami
The trapezius is innervated by the _______
spinal accessory nerve (CN XI)
These portions of the trapezius are involved in upward rotation of the scapula:
upper and lower parts of the trapezius
Injury to the thoracodoral nerve (C6-C8) would cause loss of function to this muscle
Latissimus dorsi
A patient has no sensation or control of his latissimus dorsi muscle. This could be cause by injury to which nerve?
thoracodoral nerve - C6-C8
Damage to the axillary nerve (C5-C6) will cause loss of function to muscle(s):
Deltoid

Teres minor
Damage to the suprascapular nerve (C5-C6) would cause loss of function to muscle(s):
Supraspinatus

Infraspinatus
This/these muscle(s) from the rotator cuff causes lateral rotation of the arm
infraspinatus

teres minor
The levatator scauplae is "segmentally" innervated by nerve(s):
C3-C4

dorsal scapular nerve C5
Injury to the dorsal scapular nerve (C5) may cause loss of function of:
Rhomboid minor/major

Partial loss of levator scapulae (also segmentally innervated by C3-C4)
The Rhomboid minor/major innervated by nerve(s):
dorsal scapular nerve (C5)
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):
deltoid

Axillary nerve (C5-C6)
The suprascapular nerve (C5-C6) innervates the supraspinatus after passing through _____
the suprascapular notch
The suprascapular nerve (C5-C6) innervates the infraspinatus after passing through _____
the spinoglenoid notch of the scapula
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):
Supraspinatus

Suprascapular nerve (C5-C6)
Damage to this nerve(s) may cause a loss of function to the infraspinatus
Suprascapular nerve (C5-C6)
Loss of function to the teres minor may be caused by this nerve(s):
Axillary nerve (C5-C6)
A patient who is unable to medially rotate his arm may be suffering from damage to these muscle(s) and nerve(s)
subscapularis/teres major

subscapular nerve (C5-C7)
The subscapularis is innervated by this nerve(s)
upper and lower subscapularis (C5-C7)
The teres major is innervated by this nerve(s):
lower subscapularis (C5-C7)