Surface Anatomy Flashcards

1
Q

what muscles make up the thenar eminence?

A

-abductor pollicis brevis
-flexor pollicis brevis
-opponens pollicis

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2
Q

what is the principle nerve supply for the muscles of the thenar eminence?

A

median nerve

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3
Q

what muscles make up the hypothenar eminence?

A

abductor digiti minini
flexor digiti minimi
opponens digiti minimi

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4
Q

what is the nerves supply for the hypothenar eminence muscles?

A

ulnar nerve

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5
Q

what muscles lie in the web spaces of hands?

A

planar and dorsal interossei

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6
Q

what is the functions of the plane and dorsal interossei?

A

adduction
abduction
flexion of MCP
extension of IPJ’s

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7
Q

what is the nerve supply of the palmar and dorsal interossei?

A

ulna nerve

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8
Q

what muscles attach to the radial styloid?

A

brachioradialis

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9
Q

what tendon skirts around listers tubicle?

A

extensor pollicis longus

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10
Q

which tendons form the boundaries of the anatomical snuff box?

A

-extensor pollicis longus
-de quervians tendons
-extensor pollicis brevis
-abductor pollicis longus

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11
Q

what lies between the pisiform and the scaphoid?

A

deep flexor retinaculum

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12
Q

what runs through the carpal tunnel?

A

median nerve
9 tendons
FPL
4 x FDS
4 x FDP

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13
Q

what lies deep to the palmaris longus?

A

median nerve

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14
Q

what is the prominent tendon at your wrist crease?

A

palmaris longus

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15
Q

what is the sensory innervation of the hand?

A

median nerve - radial 3 and 1/2 digits, 1st dorsal web space
ulna nerve - 1 and 1/2 digits,

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16
Q

what supports the 2 ligaments of the MCP joint of the thumb?

A

radial and ulnar collateral ligaments

17
Q

what does the ulna collateral ligament do?

A

allows the pinch grip

18
Q

what joints are important for wrist movements?

A

flexion, extension, radial, ulnar deviation- radoiocarpal and mid carpal joints
pronation and supination - distal radioulnar

19
Q

what is a fascial compartment?

A

a group of muscles contained in a fascial sheath

20
Q

what is compartment syndrome?

A

increased pressure in a closed compartment potentially resulting in muscle ischaemia and death

21
Q

how is compartment syndrome treated?

A

fasciotomy

22
Q

what is volkmanns ischaemic contracture?

A

long term outcome of missed compartment syndrome

23
Q

what is the motor innervation of the small muscles in the hand?

A

median = LOAF muscles
ulna = all the other muscles