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MMT hand Flashcards

1
Q

innervation of FCR

A

median C6 - C7

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2
Q

innervation of FCU

A

ulnar C7 - T1

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3
Q

action of FCR/FCU

A

wrist flexion

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4
Q

fair and above position for wrist flexion

A

forearm supinated
FCR = wrist flexed and radial deviated
FCU = wrist flexed and ulnar deviated

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5
Q

resistance for wrist flexion

A

across dorsum of wrist in direction of extension
FCR = over 2nd MC
FCU = over 4 - 5th MC

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6
Q

below fair position for wrist flexion

A

forearm neutral

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7
Q

palpation for wrist flexion

A

palpate tendons on volar (palmar) surface of wrist

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8
Q

substitutions for wrist flexion

A

finger flexors

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9
Q

innervation for ECR

A 
Longus = radial nerve C6 - 7 
brevis = C7 - C8
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10
Q

innervation for ECU

A

Radial nerve C7 - C8

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11
Q

action of ECR and ECU

A

wrist extension

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12
Q

fair and above position for wrist extension

A

forearm pronated
ECR = wrist extension and radial deviation
ECU = wrist extension and ulnar deviation

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13
Q

resistance for wrist extension

A

across dorsum of wrist in direction of extension
ECR over 2 - 3rd MC
ECU over 4th - 5th MC

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14
Q

below fair position for wrist extension

A

forearm neutral

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15
Q

palpation for wrist extension

A

palpate tendons on dorsal surface of wrist
ECR longus in line with 2nd MT
ECR brevis in line with 3rd MT
ECU in line with 5th MT distal to ulnar styloid process

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16
Q

substitution for wrist extension

A

finger extensors

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17
Q

innervation for lumbricals and interossei

A

Ulnar C8 - T1

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18
Q

fair and above position for MCP flexion with IP extension

A

forearm supinated
start with IP flexed and MCP neutral
move to MCP flexed and IP extended

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19
Q

action of lumbricals

A

MCP flexion with IP extension

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20
Q

resistance for MCP flexion with IP extension

A

toward MCP extension and IP flexion

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21
Q

below fair position for MCP flexion with IP extension

A

forearm neutral

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22
Q

substitutions for MCP flexion and IP extension

A

long finger flexors - IPs should remain extended

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23
Q

innervation for FDS

A

median nerve C8 - T1

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24
Q

action of FDS

A

PIP flexion

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25
fair and above position for PIP flexion
forearm supinated hold all fingers extended except for finger to be tested (eliminating FDP) patient flexes PIP
26
resistance for PIP flexion
middle phalanx, making sure you have a floppy DIP
27
below fair position for PIP flexion
forearm neutral
28
palpation for FDS
palmar surface of wrist between wrist flexors
29
substitutions for PIP flexion
FDP tendosis action by extending wrist results in passive flexion, relaxing IP extension results in passive flexion
30
innervation for flexor digitorum profundus
dig 2 - 3 = median C8 - T1 | dig 4 - 5 = ulnar C8 - T1
31
position for FDP
forearm supinated, stablize middle phalanx, patient flexes DIP
32
resistance for FDP
distal phalanx
33
position for below fair FDP
forearm neutral
34
palpation for FDP
palmar surface of middle phalanx
35
substitution for FDP
tendosis action by extending wrist which results in passive flexion relaxing IP extension results in passive flexion
36
innervation of Extensor digitorium and extensor indicis
radial nerve C7 - C8
37
action of Extensor digitorium and extensor indicis
finger extension
38
position for finger extension
forearm pronated patient extends MCP
39
resistance for finger extension
applied toward flexion on proximal phalanx
40
below fair position for finger extension
forearm neutral
41
palpation for finger extension
tendons apparent on dorsum of hand
42
substitutions for finger extension
tenodesis action produces passive IP extension
43
innervation of dorsal interossei
ulnar C8 - T1
44
action of dorsal interossei
finger abduction
45
position for finger abduction
forearm pronated, patient spreads fingers
46
resistance for finger abduction
resistance toward adduction at distal phalanx
47
below fair position for finger abduction
partial range
48
palpation for dorsal interossei
1st DI at base of proximal phalanx, radial side of index finger
49
innervation of palmar interossei
ulnar C8 - T1
50
action of palmar interossei
finger adduction
51
position for finger adduction
hand pronated, patient adducts fingers toward middle finger
52
resistance for finger adduction
toward abduction at middle phalanx
53
below fair position for finger adduction
partial range
54
substitutions for finger adduction
finger flexion
55
action of thumb flexor pollicus brevis
thumb MP flexion
56
innervation of FP brevis
superficial head = median nerve C8 - T1 deep head = ulnar nerve C8 - T1
57
position to test thumb MP flexion
forearm supinated | patient flexes MP with IP extended
58
resistance for thumb MP flexion
resistance applied toward extension on the proximal phalanx
59
below fair position for thumb MP flexion
partial range
60
palpation pf FP brevis
ulnar side of FP longus tendon in thenar eminence
61
action of FP longus
thumb IP flexion
62
innervation of FP longus
median nerve C8 - T1
63
position for thumb IP flexion
forearm supinated, stabilize MP in extension, patient flexes IP
64
resistance for thumb IP flexion
toward extension on distal phalanx
65
below fair thumb IP flexion
partial range
66
palpation for FP longus
tendon on palmar surface of proximal phalanx of thumb
67
substitution of thumb IP flexion
relaxation of IP extension produces passive flexion
68
action of EP brevis
thumb MP extension
69
position for thumb MP extension
forearm midposition | stabilize MC patient extends MP
70
innervation of EP brevis
radial nerve c7 - c8
71
resistance of EP brevis
toward flexion at proximal phalanx
72
palpation of EP brevis
lies between tendons of abd pollicis and EPL
73
substitution of EP brevis
EP longus
74
EP longus action
thumb IP extension
75
innervation of EP longus
radial nerve c7-c8
76
position for thumb IP extension
forearm midposition stabilize proximal phalanx patient extends IP
77
resistance for IP extension
resistance applied toward flexion at distal phalanx
78
palpation for EP longus
ulnar side of anatomy snuff box or dorsal surface of proximal phalanx
79
substitution for EP longus
thenar muscles flex CMC resulting in passive IP extension
80
action of AbPB and AbPL
thumb abduction
81
innervation of AbPL
radial nerve C7 - C8
82
innervation of AbPB
Median nerve c8 - T1
83
position for thumb abduction
forearm supinated AbPB patient abducts thumb AbPL patient abducts thumb in plant halfway between true abduction and extension
84
resistance for thumb abduction
applied toward adduction AbPB on proximal phalanx AbPL on distal end of 1st MC
85
palpation of AbPB and AbPL
AbPB center of thenar eminence, medial to OP AbPL at base of 1st MC on radial side of EPB
86
substitution for AbPB and AbPL
EP brevis substitutes for AbPL - abduction moves toward dorsum of hand
87
action of AdP and 1st DI
thumb adduction
88
innervation of AdP
ulnar C8 - T1
89
position to test thumb adduction
forearm pronated, patient adducts thumb to palm
90
resistance for thumb adduction
toward abduction at proximal phalanx
91
palpation of AdP
web space between thumb and index finger
92
substitutions for thumb adduction
FP longus and brevis
93
action of OP and ODM
opposition
94
innervation of OP and ODM
``` OP = median C8 - T1 ODM = ulnar C8 - T1 ```
95
position to test opposition
forearm supinated | patient brings tips of thumb and little finger together
96
resistance for opposition
palmar eminence to spread out hand
97
palpation for OP and ODM
OP along radial shaft of 1st MC lateral to AbpB ODM hypothenar eminence radial side of 5th MC

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