myology, o/i superficial back and arm Flashcards Preview

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Flashcards in myology, o/i superficial back and arm Deck (26):
1

trapzius superior fibers: o, I

O: External occipital protuberance, the medial portion of superior nuchal line of occiput, medial margin of ligamentum nuchae,

I: Posterior border of lateral 1/3 of the clavicle

2

middle fibers of trapezius: o, I

O: Inferior aspect of ligamentum nuchae, spinous proces of 7th cervical and upper thoracic

I: Medial margin of acromion process of scapula, superior lip of posterior border of spine of
scapula

3

inferior fibers of trapezius o, I

: Spinous process of inferior thoracic vertebrae

I: Medial end of the spine of scapula

4

rhomboid major: o, i

O: Spinous processes of T2 - T5 vertebrae

I: Posterior surface of medial border of scapula from the root of the spine of the scapula to the
inferior angle

5

rhomboid minor o, i

O: Lower end of ligamentum nuchae and spinous process of C7 and T1 vertebrate
I: Posterior surface of medial border of scapula at the root of the spine of the scapula

6

levator scapulae: o,i

o:transverse process of c1-c4 vertebrae at the posterior tubercles
I: Posterior surface of medial border of scapula from superior angle to root of spine of the scapula

7

Latissimus dorsi, O i

O: Spinous processes of T7-T12 and interpinous ligaments; via the thoracolumbar fascia to
the spinous process of the lumbar vertebrae, related interspinous ligaments, and posterior iliac crest; last three or four ribs, inferior angle of the scapula
I: Floor of the intertubercular sulcus

8

teres major o,i

O: Lower one third of lateral border of the scapula

I: Medial lip of intertubercular sulcus on the anterior surface of the humerus; crest of the lesser tubercle of the humerus

9

deltoid, posterior fibers o, i

O: Inferior edge of the crest of the spine of the scapula
I: Deltoid tuberosity of the humerus

10

deltoid middle fibers o,i

O: Lateral margin of the acromion
I: Deltoid tuberosity of the humerus

11

deltoid anterior fibers, o, i

O: Anterior border of the lateral 1/3 of clavicle
I: Deltoid tuberosity of the humerus

12

pectoralis major, o,i

O: Clavicular head - anterior surface of medial half of clavicle;
Sternocostal head - anterior surface of the sternum; first seven costal cartilages; sternal end of the sixth rib; aponeurosis of external oblique
I: Lateral lip of the intertubercular sulcus of humerus; crest of greater tubercle of humerus

13

pectoralis minor, o,i

O: Anterior surface of the superior borders of third to fifth ribs; and from deep fascia overlying the
related intercostal spaces
I: Coracoid process of scapula (medial border and upper surface)

14

subclavius, o

first rib at the junction between rib and costal cartilage/ groove on the inferior surface of the middle on-third of clavicle

15

Serratus anterior:o

Lateral (ext) surfaces of upper 8-9 ribs and deep fascia overlying the ralet intercostal spaces/ costal surfaces of medial border of scap

16

Choracobrachialis, o

o: apex of the coracoid process/ Linear roughening on the ;medial midshaft of the humerus

17

Supraspinatus, o

medial two-third of infraspinous fossa of scapula and deep fascia that covers the muscle; most superior facet on the greater tubercle of humerus

18

infraspinatus, i

medial two third of the infaspinous foxxa of scapula and deep fascia that covers the muscle. middle facet on the posteior surface of the greater tubercle of the humerus

19

Teres minor: o

upper two thirds of the posterior surface of the lateral border of the scapula/ inferior facet of the posterior surface of the greater tubercle of the humerus

20

subscapularis, o

medial two thirds of the subscapular fossa lesser tubercle of humerus

21

biceps brachii o

long head- supraglenoid tubercle of the scapula
short head: apex of coracoid process of the scapula, radial tuberosity and fascia of the forearm via bicipital apponeurosis

22

brachialis o

distal half of the anterior aspect of humerus and adjacent intermuscular septae, coronoid process and tuberosity of ulna

23

triceps brachii o long head

infraglenoid tubercle of scapula

24

triceps brachii o medial head

posterior surface of the distalhalf of the humerus (proximal radial groove)

25

triceps brachii o lateral head

posterior surface of the proximal half of the humerus (superior radial groove)

26

triceps brachii i

olecranon