muscles of shoulder joint

Question 1

origin and insertion of teres major

Answer 1

O: lower 1/3 of lat border of scapula

I: inf 1/2 of medial lip of intertubercular groove

Question 1

flexion

horizontal flexion

medial rotation

Answer 1

actions of pec major clavicular portion and deltoid anterior

Question 1

extension

horizontal flexsion

medial rotation

adduction

Answer 1

actions of pec major sternal portions

Question 2

actions of deltoid posterior fibers

Answer 2

extension

horixontal extension

lateral rotation

Question 2

actions of infraspinatus

Answer 2

lat rotation

stabilization prevents up/ant motion of shoulder

Question 3

origin and insertion of coracobrachialis

Answer 3

O: coracoid process

I: mid med shaft of humerus

Question 4

actions of latissimus dorsi

Answer 4

extension

horizontal extenstion

adduction

medial rotation

Question 7

actions of deltoid middle fibers

Answer 7

abduction

Question 7

Actions of subscapularis

Answer 7

med rotation

stabilization prevents post motion of shoulder

Question 8

abduction

Answer 8

actions of deltoid middle fibers

Question 9

actions of pec major clavicular portion

Answer 9

flexion

horizontal flexion

medial rotation

Question 9

origin and insertion of deltoid posterior fibers

Answer 9

O: scapular spine

I: deltoid tuberosity

Question 9

actions of coracobrachialis

Answer 9

felxion

horizontalflexion

adduction

Question 9

lat roation

stabilization prevents up/ant motion of shoulder

Answer 9

action of teres minor and infraspinatus

Question 9

med rotation

stabilization prevents post motion of shoulder

Answer 9

Actions of subscapularis

Question 11

• flexion
• horizontal flexion
• abduction

Answer 11

actions of Bicep brachii long head at shoulder

Question 13

actions of Bicep brachii long head at shoulder

Answer 13

• flexion
• horizontal flexion
• abduction

Question 15

abduction

stabilization prevents down motion of shoulder

Answer 15

Actions of supraspinatus

Question 16

origin and insertion of deltoid anterior fibers

Answer 16

O: ant/lat 1/3 of clavicle

I: deltoid tuberosity

Question 17

origin and insertion of deltoid middle fibers

Answer 17

O: acromion process

I: deltoid tuberosity

Question 17

• flexion
• horizontal flexion
• adduction

Answer 17

actions of bicep brachii short head at shoulder and coracobrachialis

Question 18

origins and insertion of latissimus dorsi

Answer 18

O: -post illiac crest

• spinous process of T6-T12, L1-L5
• post surface of sacrum
• lower 3 ribs

I: medial side of intertubercular grooce

Question 20

• extension
• horizontal extension
• adduction

Answer 20

actions of tricep brachii long head at shoulder

Question 21

actions of tricep brachii long head at shoulder

Answer 21

• extension
• horizontal extension
• adduction

Question 24

actions of deltoid anterior fibers

Answer 24

flexion horizontal flexion medial roation

Question 25

origin and insertion of pec major clavicular protion

Answer 25

O: ant/med 1/2 of clavicle I: lat lip of intertubercular groove

Question 26

actions of pec major sternal portions

Answer 26

extension horizontal flexsion medial rotation adduction

Question 27

action of teres minor

Answer 27

lat roation stabilization prevents up/ant motion of shoulder

Question 28

Actions of supraspinatus

Answer 28

abduction stabilization prevents down motion of shoulder

Question 29

actions of bicep brachii short head at shoulder

Answer 29

- flexion - horizontal flexion - adduction

Question 30

actions of teres major

Answer 30

extension horizontalextension adduction med rotation

Question 32

origin and insertion of pec major sternal portion

Answer 32

O: ant surface of sternum I: lat lip of intertubercular groove

Question 33

extension horixontal extension lateral rotation

Answer 33

actions of deltoid posterior fibers

Question 34

extension horizontal extenstion adduction medial rotation

Answer 34

actions of latissimus dorsi and teres major