Superior limb myology Flashcards
(110 cards)
1
Q
ID
A
Musculus Abductor Pollicis Brevis [Abductor Pollicis Brevis m.] . o: Scaphoid, flexor retinaculum. i: Thumb, proximal phalanx, radial sesamoid bone, dorsal aponeurosis. Abducts and flexes the thumb. I: Median nerve.
2
Q
ID
A
Musculus Flexor Pollicis Brevis [Flexor Pollicis Brevis m.] Same attachment site as abductor pollicis brevis. Flexion, abduction, adduction, and opposition at the metacarpophalangeal joint of the thumb. I: (superficial head) median nerve, (deep head) ulnar nerve
3
Q
ID
A
Caput Superficiale [Superficial Head of the Flexor pollicis brevis m.] o: tubercle of trapezium bone, Flexor retinaculum. i: lateral aspect of the base of proximal phalanx of first digit. It lies superficial to the tendon of the flexor pollicis longus. I: Median nerve
4
Q
ID
A
Caput profundum [Deep head of flexor pollicis brevis m.] o: Trapezium, trapezoid, capitate. It lies deep to the tendon of the flexor pollicis longus. I: Ulnar nerve.
5
Q
ID
A
Musculus Opponens Pollicis [Opponens pollicis m.] o: Trapezium, flexor retinaculum. i: First metacarpal. Opposition and adduction of the thumb. I: Median nerve
6
Q
ID
A
Musculus Palmaris Brevis [Palmaris Brevis m.] o: Ulnar side of the palmar aponeurosis. i: Skin of hypothenar eminence. Action: wrinkles skin on hypothenar eminence, deepens the hollow of the hand, helps with gripping. I: Ulnar nerve.
7
Q
ID
A
Musculus Abductor Digiti Minimi [Abductor Digiti Minimi m.] o: Pisiform, flexor retinaculum. i: Proximal phalanx of little finger. Abduction. I: Ulnar nerve.
8
Q
ID
A
Musculus Flexor Digiti Minimi Brevis [Flexor Digiti Minimi Brevis m.] o: Hook of hamate, flexor retinaculum. i: Palmar surface of the base of the proximal phalanx. Flexion at the metacarpophalangeal joint. I: Ulnar nerve.
9
Q
ID
A
Musculus Opponens Digiti Minimi [Opponens digiti minimi m. ] o: Hook of hamate, flexor retinaculum. i: Fifth metacarpal. Opposition of the little finger. I: Ulnar nerve
10
Q
ID
A
Musculus Adductor Pollicis [Adductor pollicis m.] It attaches to the thumb, ulnar sesamoid bone, proximal phalanx, and dorsal aponeurosis. Adduction and opposition. I: Ulnar nerve.
11
Q
ID
A
Caput Obliquum [Oblique head of adductor pollicis m.] o: Capitate and second metacarpal.
12
Q
ID
A
Caput transversum [Transverse head of adductor pollicis m.] o: Third metacarpal.
13
Q
ID
A
Musculi Lumbricales [Lumbricals mm.] - o: Tendons of flexor digitorum profundus. i: Dorsal aponeuroses of second through fifth fingers. Flexion of metacarpophalangeal joint, extension of interphalangeal joints. I: Ulnar nerve
14
Q
ID
A
Musculi Interossei Dorsales [Dorsal interossei mm.] o: Two-headed muscle arising from the metacarpal bones. i: Dorsal aponeurosis of proximal phalanges. Flexion of metacarpophalangeal joint, extension of interphalangeal joints. I: Ulnar nerve.
15
Q
ID
A
Musculi Interossei Palmares [Palmar interossei.] o: Second, fourth, and fifth metacarpals. i: Bases and dorsal aponeuroses of the proximal phalanges of the index, ring, and little fingers. Adduction toward the middle finger. Flexion of metacarpophalangeal joint, extension of interphalangeal joints. I: Ulnar nerve.
16
Q
ID
A
Aponeurosis Palmaris [Palmar Aponeurosis] Aponeurosis between the hypothenar and thenar eminences that is partly formed by the palmaris longus muscle.
17
Q
ID 1 (Note: palmar view)
A
Musculus Abductor Pollicis Brevis [Abductor Pollicis Brevis m.] - o: Scaphoid, flexor retinaculum. i: Thumb, proximal phalanx, radial sesamoid bone, dorsal aponeurosis. Abducts and flexes the thumb. I: Median nerve.
18
Q
ID combo of 3 and 4
A
Musculus Flexor Pollicis Brevis [Flexor Pollicis Brevis m.] - Same attachment site as abductor pollicis brevis. Flexion, abduction, adduction, and opposition at the metacarpophalangeal joint of the thumb.
19
Q
ID combo of 23 and 25
A
Musculus Flexor Pollicis Brevis [Flexor Pollicis Brevis m.] - Same attachment site as abductor pollicis brevis. Flexion, abduction, adduction, and opposition at the metacarpophalangeal joint of the thumb. I: superficial head - median nerve, deep head - ulnar nerve
20
Q
ID 7
A
Caput Superficiale [Superficial Head of the Flexor pollicis brevis m.] - o: Flexor retinaculum. It lies superficial to the tendon of the flexor pollicis longus. I: Median nerve
21
Q
ID 22
A
Musculus Opponens Pollicis [Opponens pollicis m.] - o: Trapezium bone, flexor retinaculum. i: First metacarpal bone. Opposition and adduction of the thumb. I: Median nerve
22
Q
ID 5
A
Musculus Opponens Pollicis [Opponens pollicis m.] - o: Trapezium, flexor retinaculum. i: First metacarpal. Opposition and adduction of the thumb. I: Median nerve
23
Q
ID 26
A
Musculus Palmaris Brevis [Palmaris Brevis m.] - o: Ulnar side of the palmar aponeurosis. i: Skin of hypothenar eminence. I: Ulnar nerve.
24
Q
ID 22
A
Musculus Palmaris Brevis [Palmaris Brevis m.] - o: Ulnar side of the palmar aponeurosis. i: Skin of hypothenar eminence. I: Ulnar nerve.
25
ID 17
[Coracobrachialis m.] - o: coracoid process of scapula. Insertion: medial aspect of body of humerus. I: musculocutaneous nerve
26
ID
[Coracobrachialis m.] - o: coracoid process of scapula. Insertion: medial aspect of body of humerus. I: musculocutaneous nerve
27
ID 18
[Brachialis. m.] - o: Anterior surface of the humerus below the deltoid tuberosity. i: Tuberosity of ulna. Flexes the elbow joint. I: Musculocutaneous nerve.
28
ID 18
[Brachialis. m.] - o: Anterior surface of the humerus below the deltoid tuberosity. i: Tuberosity of ulna. Flexes the elbow joint. I: Musculocutaneous nerve.
29
ID
[Brachialis. m.] - o: Anterior surface of the humerus below the deltoid tuberosity. i: Tuberosity of ulna. Flexes the elbow joint. I: Musculocutaneous nerve.
30
ID 14
[Long head of biceps brachii. m] - o: Supraglenoid tubercle. i: radial tuberosity. action: Abduction of shoulder joint, Elbow joint flexion, supination of forearm. I: musculocutaneous nerve
31
[Long head of biceps brachii. m] - o: Supraglenoid
tubercle. i: radial tuberosity. action: Abduction of shoulder joint, Elbow joint flexion, supination of forearm. I: musculocutaneous nerve
32
ID muscle that originates on purple
[Long head of biceps brachii. m] - o: Supraglenoid
tubercle. i: radial tuberosity action: Abduction of shoulder joint, Elbow joint flexion, supination of forearm. I: musculocutaneous nerve
33
ID muscle that originates at purple
[Short head of biceps brachii. m] - o: Coracoid
process. i: radial tuberosity. Elbow joint flexion, supination of forearm, Adduction of shoulder joint. I: musculocutaneous nerve
34
ID 15
[Short head of biceps brachii. m] - o: Coracoid
process. i: radial tuberosity. Elbow joint flexion, supination of forearm, Adduction of shoulder joint. I: musculocutaneous nerve
35
ID muscle that inserts here
[Biceps brachii. m] - Two-headed muscle that at-
taches on the radial tuberosity and extends
with the aponeurosis brachii toward the ulna
to blend into the antebrachial fascia. It acts
in elbow joint flexion and forearm supination.
I: Musculocutaneous nerve.
36
ID muscle that originates at purple
[Coracobrachialis. m] - o: Coracoid process. i: Ante-
rior surface of the middle of the humerus, pro-
vides fixation. It acts to ensure contact at the
shoulder joint between the head of the hu-
merus and the glenoid cavity. Anteversion.
I: Musculocutaneous nerve.
37
ID muscle inserting at purple
[Coracobrachialis. m] - o: Coracoid process. i: Anterior surface of the middle of the humerus, provides fixation. It acts to ensure contact at the shoulder joint between the head of the humerus and the glenoid cavity. Anteversion. I: Musculocutaneous nerve.
38
ID 12
[Brachioradialis. m] - o: Lateral supracondylar crest of humerus, lateral intermuscular septum. i: Suprastyloid crest of radius. Flexes the elbow joint from the intermediate position between pronation and supination. I: Radial nerve.
39
ID 12
[Brachioradialis. m] - o: Lateral supracondylar ridge
of humerus, lateral intermuscular septum. i:
Radial styloid process. Flexes the forearm
from the intermediate position between pro-
nation and supination. I: Radial nerve.
40
ID muscle originating at purple
[Brachioradialis. m] - o: Lateral supracondylar crest of humerus, lateral intermuscular septum. i: Suprastyloid crest of the radius. Flexes the forearm from the intermediate position between pronation and supination. I: Radial nerve.
41
ID muscle inserting at purple
[Brachioradialis. m] - o: Lateral supracondylar ridge
of humerus, lateral intermuscular septum. i:
Radial styloid process. Flexes the forearm
from the intermediate position between pro-
nation and supination. I: Radial nerve.
42
ID 19
[Triceps brachii. m] - Three-headed arm muscle
with a common attachment on the olecranon
and the posterior wall of the joint capsule.
Extends the elbow. I: Radial nerve.
43
ID 20
[Long head of triceps brachii. m] - o: Infraglenoid
tubercle of scapula. i: Olecranon of the ulna. Extends elbow Retroversion and adduction of the shoulder joint. Divides the triangular (medial)
and quadrangular (lateral) spaces between
the teres major and minor muscles. I: radial nerve
44
[Long head of triceps brachii. m] - o: Infraglenoid
tubercle of scapula. i: Olecranon of the ulna. Extends elbow Retroversion and adduction of the shoulder joint. Divides the triangular (medial)
and quadrangular (lateral) spaces between
the teres major and minor muscles. I: radial nerve
45
ID muscle originating at purple
[Long head of triceps brachii. m] - o: Infraglenoid
tubercle of scapula. i: Olecranon of the ulna. Extends elbow Retroversion and adduction of the shoulder joint. Divides the triangular (medial)
and quadrangular (lateral) spaces between
the teres major and minor muscles. I: radial nerve
46
ID muscle inserting at purple
Triceps brachii m.
47
ID 21
[Lateral head of triceps brachii. m] - o: Postor surface of the humerus, lateral and proximal to the groove for the radial nerve of humerus.. i: Olecranon of the ulna. Extends elbow joint. I: radial nerve
48
ID muscle originating at purple
[Lateral head of triceps brachii. m] - o: Postor surface of the humerus, lateral and proximal to the groove for the radial nerve of humerus.. i: Olecranon of the ulna. Extends elbow joint. I: radial nerve
49
[Lateral head of triceps brachii. m] - o: Postor surface of the humerus, lateral and proximal to the groove for the radial nerve of humerus.. i: Olecranon of the ulna. Extends elbow joint. I: radial nerve
50
ID 22
[Medial head of triceps brachii. m] - o: posterior surface of humerus, medial and distal to the groove for the radial nerve of humerus. i: Olecranon of the ulna. Extends elbow joint. I: radial nerve
51
ID muscle originating at purple
[Medial head of triceps brachii. m] - o: posterior surface of humerus, medial and distal to the groove for the radial nerve of humerus. i: Olecranon of the ulna. Extends elbow joint. I: radial nerve
52
ID muscle
[Medial head of triceps brachii. m] - o: posterior surface of humerus, medial and distal to the groove for the radial nerve of humerus. i: Olecranon of the ulna. Extends elbow joint. I: radial nerve
53
ID 10
[Teres minor. m] - o: Lateral border of scapula. i: Greater tubercle of humerus. Lateral rotation. I: Axillary nerve.
54
ID
[Teres minor. m.] - o: Lateral border of scapula. i: Greater tubercle of humerus. Lateral rotation. I: Axillary nerve.
55
ID 10
[Teres minor. m.] - o: Lateral border of scapula. i: Greater tubercle of humerus. Lateral rotation. I: Axillary nerve.
56
ID 11
[Teres major. m.] - o: Near the inferior angle of scapula. i: Crest of lesser tubercle of humerus. Retroversion of the arm with adduction and
medial rotation. I: Thoracodorsal nerve.
57
ID muscle
[Teres major. m.] - o: Near the inferior angle of scapula. i: Crest of lesser tubercle of humerus. Retroversion of the arm with adduction and
medial rotation. I: Thoracodorsal nerve.
Another view is shown here
58
ID muscle inserting here
[Teres major. m.] - o: Near the inferior angle of scapula. i: Crest of lesser tubercle of humerus. Retroversion of the arm with adduction and
medial rotation. I: Thoracodorsal nerve.
59
ID muscle originating here
[Teres major. m.] - o: Near the inferior angle of scapula. i: Crest of lesser tubercle of humerus. Retroversion of the arm with adduction and
medial rotation. I: Thoracodorsal nerve.
60
ID muscle originating and inserting at purples
[Teres minor. m.] - o: Lateral border of scapula. i: Greater tubercle of humerus. Lateral rotation. I: Axillary nerve.
61
ID 23
[Anconeus. m] - o: Posterior surface of lateral epicondyle of humerus. i: Posterior surface of ulna, proximal one-fourth. Extends the elbow joint. I: Radial nerve.
62
ID 112.23
[Anconeus. m] - o: Posterior surface of lateral epicondyle of the humerus. i: Posterior surface of ulna, proximal one-fourth. Extends the elbow joint.
I: Radial nerve.
63
ID
[Anconeus. m] - o: Posterior surface of lateral epicondyle of humerus. i: Posterior surface of ulna, proximal one-fourth. Extends the elbow joint.
I: Radial nerve.
64
ID muscle that originates and inserts at the purples
[Anconeus. m] - o: Posterior surface of lateral epicondyle of humerus. i: Posterior surface of ulna, proximal one-fourth. Extends the elbow joint.
I: Radial nerve.
65
ID 1
[Flexor carpi radialis. m.] - o: Medial epicondyle of humerus, antebrachial fascia. i: Base of second and third metacarpal bones. Flexes and pronates elbow joint. Flexion and radial abduction of wrist joint. I: Median nerve.
66
[Flexor carpi radialis. m.] - o: Medial epicondyle of humerus, antebrachial fascia. i: Base of second metacarpal. Flexes and pronates elbow joint. Flexion and radial abduction of wrist joint. I: Median nerve.
67
ID
[Flexor carpi radialis. m.] - o: Medial epicondyle of humerus, antebrachial fascia. i: Base of second and third metacarpal bones. Flexes and pronates elbow joint. Flexion and radial abduction of wrist joint. I: Median nerve.
68
ID antebrachial muscle that inserts at both purples
[Flexor carpi radialis. m.] - o: Medial epicondyle of humerus, antebrachial fascia. i: Base of second and third metacarpal bones. Flexes and pronates elbow joint. Flexion and radial abduction of wrist joint. I: Median nerve.
69
ID 2
[Palmaris longus. m.] - o: Medial epicondyle of humerus. i: Palmar aponeurosis. It tenses the aponeurosis and flexes the carpal joint. I: Median nerve.
70
ID
[Palmaris longus. m.] - o: Medial epicondyle of humerus. i: Palmar aponeurosis. It tenses the aponeurosis and flexes the carpal joint. I: Median nerve.
71
ID
[Superficial digital flexor m.] - o: medial epicondyle of humerus, coronoid process of ulna, proximal aspect of radius. i: middle phalanx of the second through fifth fingers. Flexes the wrist and proximal interphalangeal joints. I: Median nerve.
Another view is shown here
72
ID
[deep digital flexor m.] - o: Upper two-thirds of anterior surface of ulna. i: Bases of the distal phalanges of the second through fifth fingers. Flexes wrist joint and interphalangeal joints. I: Median and ulnar nerves.
Another view is shown here
73
ID 10
[Flexor pollicis longus. m.] - o: Anterior surface of the radius, distal to the radial tuberosity. i: Base of distal phalanx of thumb. Flexes hand and phalanges of thumb. Radial abduction. I: Median nerve.
74
ID
[Flexor pollicis longus. m.] - o: Anterior surface of the radius, distal to the radial tuberosity. i: Base of distal phalanx of thumb. Flexes hand and phalanges of thumb. Radial abduction. I: Median nerve.
Another view is shown here
75
ID
[Flexor carpi ulnaris. m.] - o: (humeral head) medial epicondyle of humerus, (ulnar head) olecranon and body of the ulna . i: the pisiform bone, via the pisohamate ligament on the hamate, and via the pisometacarpal ligament on the fifth metacarpal bone. Flexes and abducts the hand toward the ulna. I: ulnar nerve
Another view is shown here
76
ID 25
[Pronator teres m.] - o: medial epicondyle of the humerus and medial side of coronoid process of ulna. i: pronator tuberosity of the radius. It flexes the
elbow joint, acting as a pronator of forearm at the radioulnar join. I: Median nerve.
77
ID
[Pronator teres m.] - o: medial epicondyle of the humerus and medial side of coronoid process of ulna. i: pronator tuberosity of the radius. It flexes the
elbow joint, acting as a pronator of the forearm at the radioulnar joint. I: Median nerve.
Another view is shown here
78
ID 11
[Pronator quadratus m.] - o: Distal one-fourth of the anterior surface of ulna. i: Distal one-fourth of the anterior surface of radius. Forearm pronation. I: Median nerve.
79
ID
[Pronator quadratus m.] - o: Distal one-fourth of the anterior surface of ulna. i: Distal one-fourth of the anterior surface of radius. Forearm pronation. I: Median nerve.
Another view is shown here
80
ID
[Supinator m.] - o: Lateral epicondyle of humerus, radial collateral ligaments, anular ligament of radius, and supinator crest of ulna. i: Anterior surface of radius. Supination. I: Radial nerve.
Another view is shown here
81
ID 13
[Extensor carpi radialis longus m.] - o: Lateral supracondylar crest of humerus, lateral intermuscular septum. i: Base of second metacarpal bone. Flexes the elbow joint. Extension and radial abduction of the wrist joint. I: Radial
nerve.
82
ID
[Extensor carpi radialis longus m.] - o: Lateral supracondylar crest of humerus, lateral intermuscular septum. i: Base of second metacarpal. Flexes the elbow joint. Extension and radial abduction of the wrist joint. I: Radial nerve.
Another view is shown here
83
ID 14
[Extensor carpi radialis brevis m.] - o: Lateral epicondyle of humerus, anular ligament of radius. i: dorsal aspect of base of third metacarpal. Extension at the wrist joint. I: radial nerve and median nerve
84
ID
[Extensor carpi radialis brevis m.] - o: Lateral epicondyle of humerus, anular ligament of radius. i: dorsal aspect of base of third metacarpal. Extension at the wrist joint. I: deep branch of radial nerve, posterior antebrachial interosseous nerve
Another view is shown here
85
ID 15
[digital extensor m.] - o: Lateral epicondyle of humerus, radial collateral ligaments, anular ligament of radius, antebrachial fascia. i: Dorsal aponeuroses of the second through fifth phalanges. Extension of the wrist joint, extension of the fingers. I: Radial nerve.
86
ID
[digital extensor m.] - o: Lateral epicondyle of humerus, radial collateral ligaments, anular ligament of radius, antebrachial fascia. i: Dorsal aponeuroses of the second through fifth phalanges. Extension of the wrist joint, extension of the fingers. I: Radial nerve.
Another view is shown here
87
ID 17
[Extensor digiti minimi m.] - o: Common origin with extensor digitorum. i: Dorsal aponeurosis of little finger. Extends the little finger. I: posterior antebrachial interosseous nerve
88
ID
[Extensor digiti minimi m.] - o: Common origin with extensor digitorum. i: Dorsal aponeurosis of little finger. Extends the little finger. I: median nerve
Another view is shown here
89
ID 18
[extensor carpi ulnaris m.] - o: lateral epicondyle of humerus; proximal, posterior aspect of body of ulna. i: base of fifth metacarpal bone. Extends carpal joint, adduct manus at carpal joint. I: radial nerve
90
ID
[extensor carpi ulnaris m.] - o: lateral epicondyle of humerus; proximal, posterior aspect of body of ulna. i: base of fifth metacarpal bone. Extends carpal joint, adduct manus at carpal joint. I: radial nerve
Another view is shown here
91
ID 22
[Abductor pollicis longus m.] - o: Posterior surface of radius, ulna, and interosseous membrane. i: Base of first metacarpal. Radial abduction and dorsiflexion of the metacarpophalangeal joint of the thumb. I: Radial nerve.
92
ID
[Abductor pollicis longus m.] - o: Posterior surface of radius, ulna, and interosseous membrane. i: Base of first metacarpal. Radial abduction and dorsiflexion of the metacarpophalangeal joint of the thumb. I: Radial nerve.
Another view is shown here
93
ID 23
[Extensor pollicis brevis m.] - o: Posterior surface of radius, interosseous membrane. i: Base of proximal phalanx of thumb. Abduction and extension of the metacarpophalangeal joint of the thumb. I: Radial nerve.
94
ID
[Extensor pollicis brevis m.] - o: Posterior surface of radius, interosseous membrane. i: Base of proximal phalanx of thumb. Abduction and extension of the metacarpophalangeal joint of the thumb. I: Radial nerve.
Another view is shown here
95
ID 24
[Extensor pollicis longus m.] - o: Posterior surface of ulna and interosseous membrane. i: Distal phalanx of thumb. Adducts digital joints of thumb and extends the thumb at the metacarpophalangeal joint. I: Radial nerve.
96
ID
[Extensor pollicis longus m.] - o: Posterior surface of ulna and interosseous membrane. i: Distal phalanx of thumb. Adducts digital joints of thumb and extends the thumb at the metacarpophalangeal joint. I: Radial nerve.
Another view is shown here
97
ID 25
[Extensor indicis m.] - o: Posterior surface of ulna. i: Dorsal aponeurosis of proximal phalanx first digit. Extends the second metacarpophalangeal joint. I: Radial nerve.
98
ID
[Extensor indicis m.] - o: Posterior surface of ulna. i: Dorsal aponeurosis of proximal phalanx first digit. Extends the second metacarpophalangeal joint. I: Radial nerve.
Another view is shown here
99
ID 9
Musculus Abductor Digiti Minimi [Abductor Digiti Minimi m.] - o: Pisiform, flexor retinaculum. i: Proximal phalanx of little finger. Abduction. I: Ulnar nerve.
100
ID
Musculus Abductor Digiti Minimi [Abductor Digiti Minimi m.] - o: Pisiform, flexor retinaculum. i: Proximal phalanx of little finger. Abduction. I: Ulnar nerve.
101
ID 10
Musculus Flexor Digiti Minimi Brevis [Flexor Digiti Minimi Brevis m.] - o: Hook of hamate, flexor retinaculum. i: Palmar surface of the base of the proximal phalanx. Flexion at the metacarpophalangeal joint. I: Ulnar nerve.
102
ID
Musculus Flexor Digiti Minimi Brevis [Flexor Digiti Minimi Brevis m.] - o: Hook of hamate, flexor retinaculum. i: Palmar surface of the base of the proximal phalanx. Flexion at the metacarpophalangeal joint. I: Ulnar nerve.
Another view is shown here
103
ID 11
Musculus Opponens Digiti Minimi [Opponens digiti minimi m. ] - o: Hook of hamate, flexor retinaculum. i: Fifth metacarpal. Opposition of the little finger. I: Ulnar nerve
104
ID
Musculus Opponens Digiti Minimi [Opponens digiti minimi m. ] - o: Hook of hamate, flexor retinaculum. i: Fifth metacarpal. Opposition of the little finger. I: Ulnar nerve
105
ID 6
Musculus Adductor Pollicis [Adductor pollicis m.] - It attaches to the thumb, ulnar sesamoid bone, proximal phalanx, and dorsal aponeurosis. Adduction and opposition. I: Ulnar nerve.
106
ID 7
Caput Obliquum [Oblique head of adductor pollicis m.] - o: Capitate and second metacarpal.
107
ID 8
Caput transversum [Transverse head of adductor pollicis m.] - o: Third metacarpal. i: base of proximal phalanx of thumb. I: ulnar nerve
108
ID 12
Musculi Lumbricales [Lumbrical mm.] o: Tendons of flexor digitorum profundus. i: Dorsal aponeuroses of second through fifth fingers. Flexion of metacarpophalangeal joint, extension of interphalangeal joints. I: Ulnar nerve
109
ID 14
Musculi Interossei Palmares [Palmar interossei mm.] o: Second, fourth, and fifth metacarpals. i: Bases and dorsal aponeuroses of the proximal phalanges of the index, ring, and little fingers. Adduction toward the middle finger. Flexion of metacarpophalangeal joint, extension of interphalangeal joints. I: Ulnar nerve.
110
ID 13
Musculi Interossei Dorsales [Dorsal interossei mm.] o: Two-headed muscle arising from the metacarpal bones. i: Dorsal aponeurosis of proximal phalanges. Flexion of metacarpophalangeal joint, extension of interphalangeal joints. I: Ulnar nerve.
