muscles of the upper limbs

Question 1

pectoralis major muscle origin

Answer 1

clavicle ,sternum and upper six costal cartilliages

Question 2

pectoralis major insertion

Answer 2

lateral lip of the bicipetal groove of the humerus

Question 3

nerve supplyof pectorlais major

Answer 3

lateral and medial pectoral nerve

Question 4

action of pectoralis major

Answer 4

adduction of the shoulder and medial rotation

Question 5

pectoralis minor origin

Answer 5

third fourth and fifth ribs

Question 6

pectoralis minor insertion

Answer 6

coracoid process of scapula

Question 7

pectoralis minor nerve supply

Answer 7

medial pectoral nerv e

Question 8

action of pectoralis minor

Answer 8

stabalization and protraction of scapula

Question 9

subcalvious origin

Answer 9

first costal cartilage

Question 10

subcalvious insertion

Answer 10

inferior surface of clavicle

Question 11

subcalvious nerve supply

Answer 11

nerve to subcalvion

Question 12

action of subcalvious

Answer 12

depresses and stablizes the clavicle

Question 13

serratus anterior musle origin

Answer 13

upper 8 or 9 ribs

Question 14

insertion of serratus anterior muscle

Answer 14

medial borde and inferior angle of scapula

Question 15

nerve supplyof serratus anterior

Answer 15

long thoracic nerve

Question 16

action of serratus anterior muscle

Answer 16

moves teh scapula forward around the thorcic wall; rotates teh scapula

Question 17

deltoid origin

Answer 17

lateral third of teh clavicle, acromoin and the lower surface of the spine of the scapula

Question 18

deltoid insertion

Answer 18

deltoid tuberosity

Question 19

deltoid innervation

Answer 19

axillary nerve

Question 20

deltoid acton

Answer 20

middle fibers: abducts the shoulder
anterior fibers:flexes the shoulder
posterior fibers; extension of the shoulder

Question 21

origin of trapezius

Answer 21

ligamentum nuchae
skull-external occipital protuberance
verteberae spines of C7-T12

Question 22

insertionn of trapezius

Answer 22

clavicle lateral 1/3
scapula- acromoin and spine

Question 23

innervation of trapezius

Answer 23

accessory

Question 24

action of trapezius

Answer 24

extends the head
retracts the scapula
elevates the shoulder (upper fibers)
depresses the shoulder (lower fibers)

Question 25

origin of latissmus dorsi

Answer 25

vertebrae spines T6-T12 pelvic bone- lilac crest thoracolumbar fascia

Question 26

insertion of latissmus dorsi

Answer 26

floor of the bicipital groove

Question 27

innervation of latissmus dorsi

Answer 27

thoracodorsal nerve

Question 28

action of latissmus dorsi

Answer 28

adducts extends and medially rotates the shoulder

Question 29

supraspinatous origin

Answer 29

supraspinous fossa of scapula

Question 30

supraspinatous insertion

Answer 30

greater tuberosity of humerus and capsule of the joint

Question 31

supraspinatous nerve supply

Answer 31

suprascapular nerve

Question 32

supraspinatous action

Answer 32

abducts the arm and stablizes theshoulder joint

Question 33

infraspinatous origin

Answer 33

infraspinous fossa of scapula

Question 34

infraspinatous insertion

Answer 34

greater tuberosity of humerus capulse of the shoulder joint

Question 35

infrapsinatous nerve supply

Answer 35

suprascapular nerve

Question 36

infraspinatous action

Answer 36

laterally rotates the arm and stablizes the shoulder joint

Question 37

teres major origin

Answer 37

lower tird of teh lateral border of scapula

Question 38

teres major insertion

Answer 38

medial lip of the bicipital groovre of the humerus

Question 39

teres major nerve supply

Answer 39

lower subscapular nerve

Question 40

teres major action

Answer 40

medial rotation and adducts the arm and stablizes the joint

Question 41

teres minor origin

Answer 41

upper two thirds of the lateral border of scapula

Question 42

teres minor insertion

Answer 42

greater tuberosity of humerud and capsule of the joint

Question 43

teres minor innervation

Answer 43

axillar nerve

Question 44

teres minor action

Answer 44

lateral rotation and stablizes the shoulder joint

Question 45

subscalpularis origin

Answer 45

subscalpular fossa

Question 46

subscalpularis insertion

Answer 46

lesser tuberosity of humerus

Question 47

subscalpularis nerve supply

Answer 47

upper and lower subscalpular nerve

Question 48

subscalpularis action

Answer 48

medially rotates the arm and stablizes the shoulder joint

Question 49

subscalpularis action

Answer 49

medially rotates the arm and stablizes the shoulder joint

Question 50

levator scapulae origina nd insertion

Answer 50

origin: C1-C4 transverse processes insertion : medial border and superior angle of scapula

Question 51

rhomboid minor o and i

Answer 51

o: C7 and T1 i: medial border of scapula

Question 52

rhomboid major o and i

Answer 52

o: T2-T5 i: medial border of scapula to the inferior angle of the scapula

Question 53

levator scapulae, rhomboid minor and major nerve supply and action

Answer 53

nerve supply: dorsal scapular nerve action: elevate and adduct the scapula