Lab Exam 1

Question 1

Rotator Cuff Muscles

Answer 1

Supraspinatus, Infreaspinatus, Teres Minor, Subscapularis

Question 2

Muscles on the Shoulder Girdle and Scapula?

Answer 2

Sternocleidomastoid, Trapezius, Levator Scapulae, Rhomboid Minor, Rhomboid Major, Pectoralis Minor, Serratus Anterior

Question 3

Shoulder Muscles?

Answer 3

Latissimus Dorsi, Teres Major, Pectoralis Major, Deltoid, Supraspinatus, Infraspinatus, Teres Minor, Subscapularis

Question 4

Sternocleidomastoid Origin?

Answer 4

Clavicle and Manubrium

Question 5

Sternocleidomastoid Insertion?

Answer 5

Mastoid process of temporal bone

Question 6

Sternocleidomastoid Action?

Answer 6

(Laterally) flexes & rotates head to opposite side

Question 7

Upper Trapezius Action?

Answer 7

Extends head or elevated shoulder girdle

Question 8

Middle Trapezius Action?

Answer 8

Retracts & stabilizes scapula

Question 9

Lower Trapezius Action?

Answer 9

Depresses scapula & shoulder girdle

Question 10

Trapezius Origin?

Answer 10

Occipital Protuberance/ C7-T12 Spinous Processes

Question 11

Trapezius Insertion?

Answer 11

Clavicle/Acromion process & spine of scapula

Question 12

Levator Scapulae Origin?

Answer 12

C1-C4 Transverse Processes

Question 13

Levator Scapulae Insertion?

Answer 13

Superior angle of scapula

Question 14

Levator Scapulae Action?

Answer 14

Elevates Scapula

Question 15

Rhomboid Minor Origin?

Answer 15

C7-T1 Spinous Processes

Question 16

Rhomboid Major Origin?

Answer 16

T2-T5 Spinous processes

Question 17

Rhomboid Major/Minor Insertion?

Answer 17

Medial border of scapula

Question 18

Rhomboid Major/Minor Action?

Answer 18

Scapular Retraction

Question 19

Pectoralis Minor Origin?

Answer 19

Ribs 3-5

Question 20

Pectoralis Minor Insertion?

Answer 20

Coracoid Process of Scapula

Question 21

Pectoralis Minor Action?

Answer 21

Depresses Scapula; elevates 3-5 ribs

Question 22

Serratus Anterior Origin?

Answer 22

RIbs 1-8

Question 23

Serratus Anterior Insertion?

Answer 23

Inferior angle & Medial border of scapula

Question 24

Serratus Anterior Action?

Answer 24

Scapular Proctration

Question 25

Latissimus Dorsi Origin?

Answer 25

T7 Spinous process through sacrum

Question 26

Latissimus Dorsi Insertion?

Answer 26

Intertubercular Groove of humerus

Question 27

Latissimus Dorsi Action?

Answer 27

Adducts/extends & medially rotates shoulder

Question 28

Teres Major Origin?

Answer 28

Axillary (Lateral) border of scapula

Question 29

Teres Major Insertion?

Answer 29

Intertubercular Groove of humerus

Question 30

Teres Major Action?

Answer 30

Extends Shoulder

Question 31

Pectoralis Major Origin?

Answer 31

Clavicle/sternum/true ribs

Question 32

Pectoralis Major Insertion?

Answer 32

Intertubercular Groove of humerus

Question 33

Pectoralis Major Action?

Answer 33

Shoulder Medial rotation & adduction

Question 34

Deltoid Origin?

Answer 34

Clavicle/Acromion process & Spine of scapula

Question 35

Deltoid Insertion?

Answer 35

Deltiod Tuberosity of humerus

Question 36

Deltoid Action?

Answer 36

Abducts shoulder

Question 37

Supraspinatus Origin?

Answer 37

Supraspinous fossa of scapula

Question 38

Supraspinatus Action?

Answer 38

abducts shoulder

Question 39

Infraspinatus Origin?

Answer 39

Infraspinous fossa of scapula

Question 40

Infaspinatus/Teres Minor Action?

Answer 40

Laterally Rotates Shoulder

Question 41

Teres Minor Origin?

Answer 41

Lateral Border of scapula

Question 42

Supraspinatus/Infraspinatus/Teres Minor Insertion?

Answer 42

Greater tubercle of humerus

Question 43

Subscapularis Origin?

Answer 43

Subscapular fossa of scapula

Question 44

Subscapularis Insertion?

Answer 44

Lesser tubercle of humerus

Question 45

Subscpularis Action?

Answer 45

Medially Rotates shoulder

Question 46

What muscles have the intertubercle groove of humerus as the insertion point?

Answer 46

Latissimus Dorsi, Teres Major, & Pectoralis Major

Question 47

What muscles have the greater tubercle of humerus as the insertion point?

Answer 47

Supraspinatus, Infraspinatus, & Teres Minor