Origins Flashcards
(51 cards)
1
Q
upper trapezius
A
- external occiput protuberance and medial 1/3 of superior nuchal line
- ligamentum nuchae
- C7 vertebrae spinous process
2
Q
middle trapezius
A
- T1-T5 vertebrae spinous process
- supraspinous ligaments
3
Q
lower trapezius
A
- T6-T12 spinous processes
- supraspinous ligaments
4
Q
levator scapulae
A
-C1-C4 vertebrae transverse process and posterior tubercles
5
Q
serratus anterior
A
- Ribs 1-8 (9-10 also) by superior and outer surfaces of digitations
- aponeurosis of intercostal muscles
6
Q
pectoralis minor
A
- Ribs 3-5 (sometimes 2-4) upper and outer surfaces near costal cartilage
- aponeurosis of intercostal muscle
7
Q
latissimus dorse
A
- T6-T12 spinous processes
- L1-L5 and sacral vertebrae (spinous process by thoracolumbar fascia)
- Ribs 9-12 interdigitates with external abdominal oblique
- posterior 1/3 of iliac crest
- supraspinous ligament
8
Q
anterior deltoid
A
-anterior border/superior lateral 1/3 surface shaft of clavicle
9
Q
middle deltoid
A
-acromion, lateral margin, superior surface of scapula
10
Q
posterior deltoid
A
-spine on lower lip of posterior border of scapula
11
Q
pectoralis major (clavicular)
A
sternal half of anterior surface of clavicle
12
Q
pectoralis majoe (sternocostal)
A
- 1/2 of anterior sternum down to 6th rib
- cartilage of all true ribs except 1/7
- obliquus externus abdominus aponeurosis
13
Q
supraspinatus
A
- supraspinous fossa/medial 2/3 of scapula
- supraspinatus fascia
14
Q
subscapularis
A
- subscapular fossa and groove along axillary margin
- aponeurosis separtates this muscle from teres major and long head triceps brachii
- tendinous laminae
15
Q
infraspinatus
A
- medial 2/3 of scapula
- infraspinous fascia
16
Q
teres minor
A
- proximal 2/3 of flat surface of scapula on dorsal aspect of axillary border
- aponeurotic laminae
17
Q
brachioradialis
A
- lateral supracondylar ridge, proximal 2/3 humerus
- lateral intermuscular septum (anterior)
18
Q
supinator
A
- lateral epicondyle of humerus
- radial collateral ligament of elbow joint
- annular ligament of radiulnar joint
- dorsal surface, supinator crest of ulna
- supinator aponeurosis
19
Q
biceps brachii (short head)
A
-apex of coracoid process
20
Q
biceps brachii (long head)
A
capsule of glenohumeral joint and glenoid labrum
-supraglenoid tubercles at apex of glenoid cavity
21
Q
pronator teres (humeral head- superficial and larger)
A
shaft proximal to medial epicondyle
22
Q
pronator teres (ulnar head- deep)
A
- medial side of coronoid process
- joins humeral head tendon
- share tendon from forearm flexor muscles
- intermuscular septum
- antebrachial fascia
23
Q
triceps brachii (long head)
A
- infraglenoid tuberosity of scapula
- blends above with glenohumeral joint capsule
24
Q
triceps brachii (lateral head)
A
- oblique ridge on posterior surface of humerus shaft
- lateral intermuscular septum
25
triceps brachii (medial head)
- entire posterior shaft of humerus surface, distal to radial groove down to trochlea
- medial/lateral intermuscular septa
- medial border of humerus
26
extensor carpi radialis longus
- distal third of lateral supracondylar ridge of humerus
- lateral intermuscular septum
- common extensor tendon
27
-extensor carpi radialis brevis
- lateral epicondyle of humerus vis common extensor tendon
- radial collateral ligament of elbow joint
- sponeurotic sheath and intermscular septa
28
extensor digitorum
- lateral epicondyle of humerus via common extensor tendon
- intermuscular septa
- antebrachial fascia
29
extensor carpi ulnaris
- lateral epicondyle of humerus via common extensor tendon
- posterior border of ulna by aponeurosis common to flexor carpi ulnaris and flexor digitorum profundus
- overlying fascia
30
flexor carpi radialis
- medial epicondyle of humerus by common flexor tendon
- intermuscular septa
- antebrachial fascia
31
flexor digitorum superficialis (humeral-ulnar head)
- medial epicondyle of humerus via common flexor tendon
- ulnar collateral ligament of elbow joint
- medial side of coronoid process of ulna
- intermuscular septa
32
flexor digitorum superficialis (radial head)
oblique line of anterior surface of radial shaft
33
flexor carpi ulnaris (humeral head)
medial epicondyle of humerus via common flexor tendon
34
flexor carpi ulnaris (ulnar head)
- olecranon of ulna
- medial border and shaft of upper 2/3 of posterior ulnar border via aponeurosis
- intermuscular septum
35
flexor digitorum profundus
- upper 3/4 of anterior and medial surfaces of shaft
- medial side of coronoid process via aponeurosis
- ulnar half of interosseous membrane
36
extensor pollicis longus
- posterolateral surface of middle ulnar shaft
| - interosseous membrane
37
1st lumbrical
-digit 2 arises by single head from radial side of palmar surface
38
2nd lumbrical
- digit 3
| - radial side of palmar surface
39
3rd lumbrical
-digits 3 and 4 by double heads from adjacent sides of flexor digitorum profundus tendons
40
4th lumbrical
- digits 4 and 5
| - adjacent sides of tendons
41
adductor pollicis (oblique head)
- capitate
- 2nd and 3rd metacarpal bone bases
- palmar carpal ligaments
- flexor carpi radialis tendon sheath
- small slip of flexor retinaculum
- unites with tendon of transverse head
42
adductor pollicis (transverse head)
- distal 2/3 of palmar surface of 3rd metacarpal bone
| - converges with oblique head and with 1st palmar interosseous
43
abductor pollicis longus
- posterior surface of ulnar shaft
- middle third of posterior surface of radial shaft
- interosseous membrane
44
splenius capitus
- ligamentum nuchae and C3-C7 vertebrae
| - C40C7 spinous processes
45
scalenus anterior
-C3-C6 anterior tubercles of transverse processes
46
external oblique
-Ribs 5-12 by digitations that attatch to the external and inferior surfaces and alternate with digitations of the serratus anterior and latissimus dorsei
47
sternocleidomastoid (sternal/medial head)
-ventral surface of manubrium
48
sternocleidomastoid (clavicular/lateral head)
-superior and anterior surface of medial 1/3 clavicle
49
internal oblique
- thorascolumbar fascia
- lateral 2/3 of upper inguinal ligament
- anterior 2/3 of intermediate line of iliac crest
50
Multifidi
- posterior sacrum as low as S4 foramen
- erector spinae aponeurosis
- PSIS and adjacent crest
- posterior sacroiliac ligaments
- mammillary processes of L1-L5
- transverse processes of T1-T12
- articular processes of C4-C7
51
transverse abdominus
- lateral 1/3 of inguinal ligament
- anterior 2/3 of iliac crest's inner lip
- thoracolumbar fascia between iliac crest and 12th rib
- costal cartilage of 7-12
