Pectoral Girdle

Question 1

Pec Major Nerve

Answer 1

Lateral Pectoral & Medial Pectoral

Question 2

Pec Major Origin

Answer 2

Head 1 - Clavicle
Head 2 - Sternum

Question 3

Pec Major Insertion

Answer 3

Intertubercular Groove

Question 4

Pec Major Movements

Answer 4

Adducts Humerus
Internal Rotates Humerus
Protracts Scapula (by pulling on Humerus)

Question 5

Pec Minor Nerve

Answer 5

Medial Pectoral

Question 6

Pec Minor Origin

Answer 6

Ribs

Question 7

Pec Minor Insertion

Answer 7

Coracoid (of scapula)

Question 8

Pec Minor Movements

Answer 8

Depression Scapula
Protraction Scapula
(But mostly just stabilises pec girdle)

Question 9

Subclavius Nerve

Answer 9

C5

Question 10

Subclavius Origin

Answer 10

Costal cartilage of 1st rib

Question 11

Subclavius Insertion

Answer 11

Clavicle

Question 12

Subclavius Movements

Answer 12

Braces Clavicle
Weak depressor Scapula

Question 13

Serratus Anterior Nerve

Answer 13

Long Thoracic

Question 14

Serratus Anterior Origin

Answer 14

Ribs

Question 15

Serratus Anterior Insertion

Answer 15

Scapula (Medial border)

Question 16

Serratus Anterior Movements

Answer 16

Protracts Scapula (“Boxer’s muscle)
Superiorly Rotates Scapula (LOWER FIBRES ONLY)

Question 17

Trapezius Nerve

Answer 17

C11

Question 18

Trapezius Origin

Answer 18

Superior Nuchal Line

Question 19

Superior Trapezius Insertion

Answer 19

Clavicle

Question 20

Middle Trapezius Insertion

Answer 20

Acromion

Question 21

Inferior Trapezius Insertion

Answer 21

Spine of Scapula

Question 22

Trapezius Movement (All fibres)

Answer 22

Retracts Scapula

Question 23

Trapezius Movement (Superior)

Answer 23

Elevates scapula

Question 24

Trapezius Movement (Inferior)

Answer 24

Scapula Depression

Question 25

Trapezius Movement (Sup Inf)

Answer 25

Superior Rotation Scapula

Question 26

Trapezius Movement (Mid)

Answer 26

Retracts Scapula

Question 27

Levator Scapulae Origin

Answer 27

Upper Cerviucal Vertebrae

Question 28

Levator Scapulae Insertion

Answer 28

Scapula

Question 29

Levator Scapulae Nerve

Answer 29

Dorsal Scapular Nerve

Question 30

Levator Scapulae Movement

Answer 30

Elevates and inferiorly rotates scapula

Question 31

Rhomboid Major Origin

Answer 31

Upper Thoracic Vert

Question 32

Rhomboid Minor Origin

Answer 32

Lower Cervical Vertebrae

Question 33

Rhomboids Insertion

Answer 33

Scapula

Question 34

Rhomboids Nerve

Answer 34

Dorsal Scapular

Question 35

Rhomboids Movement

Answer 35

Retracts Scapula, Inferiorly Rotates

Question 36

How to Lock Conceptual Joint

Answer 36

Contract Serratus anterior and rhomboids at same time, as pull in opposite directions

Question 37

Lat Dorsi Origin

Answer 37

Iliac Crest and Lower Spinal Cord

Question 38

Lat Dorsi Insertion

Answer 38

Humerus Intertubercular Groove

Question 39

Lat Dorsi Nerve

Answer 39

Thoracodorsal

Question 40

Lat Dorsi Movements

Answer 40

Adducts humerus, internally rotates humerus, inferiorly rotates scapula, depresses scapula

Question 41

Scapula Angles

Answer 41

Glenoid Fossa (sup lat), Superior (sup med), Inferior

Question 42

Scapula Surfaces

Answer 42

Subscapula fossa, supraspinous fossa, Infraspinous fossa

Question 43

Scapula Protuberances

Answer 43

Acromion, Spine (continuous with acromion), Coracoid

Question 44

Coracoid Ant or Post

Answer 44

Ant

Question 45

Spine + Acromion Ant or Post

Answer 45

Post

Question 46

Scapula Protuberances Med or Lat

Answer 46

Lat

Question 47

Winged Scapula Cause

Answer 47

Serratus Anterior problem (innervation)

Question 48

SC Joint Type

Answer 48

Synovial Saddle

Question 49

SC Joint Ligaments

Answer 49

Ant/Post Sternoclavicular, Interclavicular, Costoclavicular

Question 50

Strongest SC Ligament

Answer 50

Costoclavicular

Question 51

SC Ligament Across Jugular Notch

Answer 51

Interclavicular

Question 52

AC Joint Role

Answer 52

Allows independent movement of scapula, distinct from clavicle

Question 53

AC Joint Ligaments

Answer 53

Acromioclavicular (weak, proper), Coracoclavicular (strong, not technically part of AC joint)

Question 54

AC Joint Tear Result

Answer 54

Humerus Drops