Elbow, Shoulder & Scapula Anatomy Flashcards Preview

Phys Dis > Elbow, Shoulder & Scapula Anatomy > Flashcards

Flashcards in Elbow, Shoulder & Scapula Anatomy Deck (34):
1

Elbow flexion

Biceps/Brachialis innervated by musculocutaneous nerve & Brachioradalis innervated by radial nerve

2

Biecps

Origin: Coracoid process & supraglenoid tubercle
Insertion: Radial tuberosity
Fx: Elbow flex w forearm supinated

3

Brachialis

Origin: Distal 2/3 humerous
Insertion: ulnar tuberosity
Fx: Elbow flex w forearm pronated

4

Brachioradalis

Origin: Supracondylar ridge
Insertion: Distal radius
Fx: Elbow flex w forearm neutral

5

Elbow Extension

Triceps/Anconeus innervated by radial nerve

6

Triceps

Origin: Long head - infraglenoid tuberosity, Lateral head - posterior humerus & med head - distal to lateral head
Insertion: Olecranon
Fx: Elbow exten

7

Anconeus

Origin: Lat epi & capsule of elbow joint
Insertion: Olecranon & upper 1/4 of dorsal ulna
Fx: elbox exten

8

Rotator Cuff Muscles

Supscapularis, suprapinatus, infrapinatus & teres minor

9

Supscapularis - subscapular nerve innervation

Origin: ant surface of scap
Insertion: Lesser tuberosity
Fx: In rot

10

Supraspinatus - suprascapular nerve innervation

Origin: Supraspinatus fossa
Insertion: Greater tuberosity
Fx: aBduction/flex

11

Infraspinatus - suprascapular nerve innervation

Origin: infraspinatus fossa
Insertion: greater tuberosity
Fx: ex rot

12

Teres Minor - axillary nerve innervation

Origin: axillary border of scap
Insertion: greater tuberosity
Fx: ex rot

13

Shoulder Flexion Muscles

Ant deltoid & coracobrachalis & supraspinatus

14

Ant deltoid - axillary nerve innervation

Origin: Clavical
Insertion: Deltoid Tuberosity
Fx: Shoulder flex

15

Coracobrachalis - musculocutaneous nerve innervation

Origin: coracoid process
Insertion: medial aspect of deltoid
Fx: Shoulder flex

16

Shoulder aBduction Muscles

Mid deltoid & supraspinatus

17

Mid Deltoid - axillary nerve innervation

Origin: acromin
Insertion: deltoid tuberosity
Fx: Shoulder aBduction

18

Horz aBduction Muscles

Post delt

19

Post Deltoid - axillary nerve innervation

Origin: spine of scap
Insertion: delt tuberosity
Fx: Horz aBduction

20

Horz Adduction Muscles

Pec Major

21

Pec Major - Lat pectoral nerve innervation

Origin: medial clavical, sternum & ribs 1-7
Insertion: greater tuberosity
Fx: horx adduction

22

Shoulder Extension Muscles

Lat dorsi, teres major& post deltoid

23

Lat Dorsi - thoracodorsal nerve innervation

Origin: T6-T12, L1-L5, sacral vert, ribs 9-12, iliac crest & inferior angle of scap
Insertion: intertubracal groove of humerus
Fx: shoulder exten

24

Teres Major - subscap nerve innervation

Origin: inferior angle of scap
Insertion: intertubracal groove of humerus
Fx: shoulder exten

25

Scapular Upward Rotation Muscles

Traps & Serratus Anterior

26

Traps - Spinal Accessory Nerve (CNXI) Innervation

Origin: U fibers- occiput/ligamentus nuchae; M- spinous process of T1-T5; L- spinous processes of T6-T12
Insertion: U- lat 1/3 of clavical; M- acromin/spine of scap; L- medial end of spine of scap
Fx: Up rot of scap

27

Serratus Ant - Long thoracic nerve Innervation

Origin: Ribs 1-8/aponeurosis of intercostals
Insertion: Sup/inferior angles of scap & vertebral border of scap
Fx: Up rot of scap

28

Scapular Downward Rotation Muscles

Levator scapulae, rhomboids. serratus ant & lat dorsi

29

Levator Scapulae - C3-4 nerve innervation

Origin: C1-4 transverse process
Insertion: Vertebral border of scap
Fx: Down rot of scap

30

Rhomboids (major/minor) - Dorsal Scap Nerve Innervation

Origin: C7-T5 spinous process
Insertion: Vertebral boarder - distal to spine of scap
Fx: Down rot of scap

31

Scap Adduction Muscles

Middle Traps, Rhomboids Major

32

Scap aBduction Muscles

Serratus Ant

33

Scap Elevation Muscles

Upper Traps/Levator Scap

34

Scap Depression Muscles

Lower Traps