Test 3 Flashcards
(121 cards)
1
Q
Elbow flexor & forearm supinator
A
Biceps
2
Q
Elbow extensor
A
Triceps
3
Q
Brachialis origin?
A
Lower ½ of anterior humerus
4
Q
Brachialis insertion?
A
•Coronoid of ulna
5
Q
Brachialis action?
A
Flexion (H/U)
6
Q
Brachialis innervation?
A
Musculocutaneous
7
Q
Brachioradialis origin?
A
Upper 2/3 of humerus
8
Q
Brachioradialis insertion?
A
Styloid of radius
9
Q
Brachioradialis action?
A
Elbow flexion (H/U)
10
Q
Brachioradialis innervation?
A
Radial
11
Q
Anconeus origin?
A
Lateral epicondyle of humerus
12
Q
Anconeus insertion?
A
Olecranon process & ulna
13
Q
Anconeus action?
A
Elbow extension (H/U)
14
Q
Anconeus innervation?
A
Radial
15
Q
Pronator Teres origin?
A
Medial epicondyle of humerus &coronoid process of ulna
16
Q
Pronator Teres insertion?
A
Middle, lateral surface of radius
17
Q
Pronator teres action?
A
Pronation (R/U)
18
Q
Pronator teres innervation?
A
Median
19
Q
Pronator Quadratus origin?
A
Medial, anterior surface of distal ulna
20
Q
Pronator Quadratus insertion?
A
Lateral, Anterior surface of distal radius
21
Q
Pronator Quadratus action?
A
Pronation (R/U)
22
Q
Pronator Quadratus innervation?
A
Median
23
Q
Supinator origin?
A
Lateral epicondyle of humerus
24
Q
Supinator action?
A
Supination (R/U)
25
Supinator insertion
Anterior, lateral surface of upper radius
26
Supinator innervation
Radial
27
2nd-5th Metacarpophalangeal Joints actions?
Flexion, Extension, Abduction, Adduction
28
2nd-5th Proximal& Distal Interphalangeal actions?
Flexion & extension?
29
Extensor Carpi Radialis Longus origin?
Lateral supracondylar ridge
30
Extensor Carpi Radialis Longus insertion?
Base of 2ND MC
31
Extensor Carpi Radialis Longus action?
Extension (R/C)
| •Radial deviation (R/C)
32
Extensor Carpi Radialis Longus
| Innervation?
Radial
33
Extensor Carpi Radialis Brevis origin?
Lateral epicondyle
34
Extensor Carpi Radialis Brevis insertion?
Base of 3rd mc
35
Extensor Carpi Radialis Brevis action?
Extension (R/C)
| •Radial deviation (R/C)
36
Extensor Carpi Radialis Brevis innervation?
Radial
37
Extensor Carpi Ulnaris origin?
Lateral epicondyle
38
Extensor Carpi Ulnaris insertion?
Base of 5TH MC
39
Extensor Carpi Ulnaris action?
Extension (R/C)
| •Ulnar deviation (R/C)
40
Extensor Carpi Ulnaris innervation?
Radial
41
Extensor Digitorum origin?
Lateral epicondyle
42
Extensor Digitorum insertion?
Bases of middle & distal phalanges of 2nd -5th
43
Extensor Digitorum action?
Extension of 2nd- 5th phalanges (MCP, PIP, DIP)
44
Extensor Digitorum innervation?
Radial
45
Extensor Indicis origin?
Post. surface of distal ulna
| •Interosseous membrane
46
Extensor Indicis insertion?
Extensor digitorum tendon of 2ND MC
47
Extensor Indicis action?
Extension of 2nd finger (MCP)
48
Extensor Indicis innervation?
Radial
49
Extensor Digiti Minimi origin?
Lateral epicondyle
50
Extensor Digiti Minimi insertion?
Base of the proximal phalanx of 5th finger
51
Extensor Digiti Minimi action?
Extension of 5th finger
52
Extensor Digiti Minimi innervation?
•Posterior interosseous
53
Flexor Carpi Radialis origin?
Medial Epicondyle
54
Flexor Carpi Radialis insertion?
Bases 2nd & 3rd MCP
55
Flexor Carpi Radialis action?
Flexion (R/C)
| •Radial deviation (R/C)
56
Flexor Carpi Radialis innervation
Median
57
Palmaris Longus origin?
Medial epicondyle
58
Palmaris Longus insertion?
Flexor retinaculum & palmar aponeurosis
59
Palmaris Longus action?
Flexion (r/c)
60
Palmaris Longus innervation?
Median
Absent in ~15% of population
61
Flexor Carpi Ulnari origin?
Medial Epicondyle
| •Posterior, upper ulna
62
Flexor Carpi Ulnari insertion,
Pisiform
•Hook of hamate
•Base of 5th metacarpal
63
Flexor Carpi Ulnari action?
Flexion (R/C)
| •Ulnar deviation (R/C
64
Flexor Carpi Ulnari innervation?
Ulnar
65
Flexor Digitorum Superficialis origin?
Medial epicondyle
•Coronoid process
•Upper radius
66
Flexor Digitorum Superficialis insertion?
Middle phalanges of 2nd-5th fingers
67
Flexor Digitorum Superficialis action?
Flexion of 2nd-5th fingers (MCP & PIP)
68
Flexor Digitorum Profundus origin?
Medial, upper ulna
69
Flexor Digitorum Profundus insertion
Base of distal phalanges 2-5
70
Flexor Digitorum Profundus action
Flexion of 2nd-5th fingers (MCP, PIP, DIP)
| •Flexion (R/C)
71
Flexor Digitorum Profundus innervation?
1st/2nd : Median
| •3rd/4th: Ulnar
72
Abductor Pollicis Longus origin?
Posterior surface of RADIUS and
| ULNA, and Interosseous membrane
73
Abductor Pollicis Longus insertion
Base of 1st metacarpal
74
Abductor Pollicis Longus action
ABDUCTS Thumb
EXTENDS Thumb
ABDUCTS Wrist
75
Abductor Pollicis Longus innervation
Radial
76
Extensor Pollicis Longus origin?
Posterior Surface of ULNA and Interosseous membrane
77
Extensor Pollicis Longus insertion
Base of DISTAL PHALANX of thumb
78
Extensor Pollicis Longus action
EXTENDS Thumb @ DIP
| ABDUCTS Wrist
79
Extensor Pollicis Longus innervation
Radial
80
Extensor Pollicis Brevis origin
Posterior Surface of RADIUS and Interosseous membrane
81
Extensor Pollicis Brevis insertion
Base of PROXIMAL PHALANX of thumb
82
Extensor Pollicis Brevis action
EXTENDS Thumb @ CMC & MCP
| ABDUCTS Wrist
83
Extensor Pollicis Brevis innervation
Radial
84
Flexor Pollicis Longus origin
Anterior Surface of RADIUS and interosseous membrane
85
Flexor Pollicis Longus insertion
Base of DISTAL PHALANX of thumb
86
Flexor Pollicis Longus action
FLEXES Thumb @ DIP
FLEXES Thumb @ CMC & MCP
Assists to flex the wrist
87
Flexor Pollicis Longus innervation
Median
88
Abductor Pollicis Brevis origin?
Flexor retinaculum
Trapezium
scaphoid
89
Abductor Pollicis Brevis insertion?
Base of PROXIMAL PHALANX of Thumb
90
Abductor Pollicis Brevis action?
ABDUCTS Thumb @ CMC & MCP
| Assists in opposition
91
Abductor Pollicis Brevis innervation?
Median
92
Flexor Pollicis breves origin?
Flexor Retinaculum (superficial head)
Trapezium,
Trapezoid and
Capitate (deep head)
93
Opponens Pollicis origin?
Flexor Retinaculum & Trapezium
94
Opponens Pollicis insertion?
1st mc
95
Opponens Pollicis action?
Pollex opposition
96
Opponens Pollicis innervation?
Median
97
Adductor Pollicis origin?
Capitate
| 2nd & 3rd MC
98
Adductor Pollicis insertion?
Base of proximal phalanx of pollex
99
Adductor Pollicis action
Pollex addiction
100
Adductor Pollicis innervation?
Ulnar
101
Lumbricals origin
Surface of Flex Dig Pro tendons
102
Lumbricals Insertion
Extensor Aponeurosis on dorsal surface of phalanges
103
Lumbricals action
Extend 2nd – 5th DIPS and PIPS
| Flex 2nd – 5th MCPs
104
Lumbricals innervation
Median (2-3) and Ulnar (4-5)
105
Dorsal Interrosei origin
Adjacent sides of all MCs
106
Dorsal Interrosei insertion
Base of prox phalanx 2nd – 4th
107
Dorsal Interrosei action?
Abduction
108
Dorsal Interrosei innervation
Ulnar
109
Palmer Interrosei origin
Base of MCs 1,2,4,5
110
Palmer Interrosei insertion
Base of prox phalanx of related digit
111
Palmer Interrosei action
Adduction
112
Palmer Interrosei innervation
Ulnar
113
UCL injury in overhead throwers
•Repetitive microtrauma
•Leads to rupture of the ligament
•Ulnar nerve ‘snapping’ over epicondyle
UCL injury
114
Strong, triangular shaped ligament
| •Runs from the medical epicondyle of the humerus → coronoid process of the ulna and olecranon process
Ulnar Collateral Ligament (UCL)
115
First surgery performed 1974 by Dr. Frank Jobe
•Dodgers pitcher Tommy John – missed 1 year of baseball for rehab
•Tendon grafted from forearm or leg and attached via ‘figure 8’
Tommy John Surgery
116
Named after French urologist (1861)
•4cm long
•Depression between pisiform and hook of the hamate
•Roof formed by pisohamate ligament
•Prolongataion of FCU/part of origin for Abd Dig Min
Tunnel of Guyon
117
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Ulnar neuropathy aka handlebar palsy
•Nerve becomes compressed in tunnel of Guyon due to
•Hyperextension of wrist
•Compression of wrist
•More common in long distance rides
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Cyclers palsy
118
Injury to the UCL of the MCP joint of the thumb
More commonly seen in skiers currently
•Landing on ski pole causing valgus force on abducted MCP
Gamekeepers Thumb or Skiers thumb
119
Fracture of the distal end of the forearm – radius bent backwards
•Caused by falling onto hard surface (FOOSH)
•Can cause a ‘dinner fork’ deformity
Colles fracture
120
Reverse Colles’ fracture
•Distal radius
•Direct blow to forearm or falling onto flexed wrist
•Distal fracture displaced anteriorly
Smith fracture
121
2nd most common joint dislocation
•Posterolateral is most common
•Nursemaid elbow in toddlers
Dislocated elbow
