muscles of the Upper limb

Question 0

Deltoid distal attachment

Answer 0

Deltoid tuberosity of humerus

Question 1

Deltoid origin

Answer 1

Lateral third of the clavicle, acromion and spine of the scapula

Question 2

Deltoid innervation

Answer 2

Axillary nerve C5, C6

Question 3

Deltoid actions

Answer 3

anterior part flexes and medially rotates shoulder joint, middle abducts shoulder joint, posterior extends and laterally rotates shoulder joint

Question 4

Supraspinatus proximinal attachment

Answer 4

supraspinous fossa of scapula

Question 5

Infraspinatus proximal attachment

Answer 5

Infraspinatus fossa of scapula

Question 6

teres minor proximal attachment

Answer 6

middle part of lateral border of scapula

Question 7

teres major proximal attachment

Answer 7

Inferior part of lateral border of scapula and posterior surface of inferior angle of scapula

Question 8

Subscapularis proximal attachment

Answer 8

Subscapular fossa (most of the anterior surface)

Question 9

Supraspinatus distal attachment

Answer 9

Superior facet of the grater tubercle of humerus

Question 10

Infraspinatus distal attachment

Answer 10

middle facet of the greater tubercle of humerus

Question 11

Teres minor distal attachment

Answer 11

inferior facet of the greater tubercle of humerus

Question 12

teres major distal attachment

Answer 12

medial lip of intertubercular sulcus of humerus

Question 13

Subscapularis distal attachment

Answer 13

lesser tubercle of humerus

Question 14

Supraspinatus innervation

Answer 14

Suprascapular nerve C4, C5, C6

Question 15

Infraspinatus innervation

Answer 15

Suprascapular nerve C5, C6

Question 16

Teres major innervation

Answer 16

lower subscapular nerve C5, C6

Question 17

subscapularis innervation

Answer 17

Upper and lower subscapular nerves C5, C6, C7

Question 18

Supraspinatus actions

Answer 18

Initiates and assists deltoid in abduction of shoulder joint and acts with other rotator cuff muscles

Question 19

Infraspinatus actions

Answer 19

Laterally rotate shoulder joint help hold humeral head in glenoid cavity of scapula

Question 20

teres minor actions

Answer 20

Laterally rotate shoulder joint, help hold humeral head in glenoid cavity of scapula

Question 21

teres major actions

Answer 21

Adducts and medially rotates shoulder joint

Question 22

Subscapularis actions

Answer 22

Medially rotates and adducts shoulder joint helps hold humeral head in glenoid cavity.

Question 23

Teres minor innervation

Answer 23

Axillary nerve C5, C6

Question 24

Pectoralis major Proximal attachment

Answer 24

Clavicular head: anterior surface of medial half of clavicle | Sternocostal head: anterior surface of sternum, superior six costal cartilages, aponeurosis of external oblique muscle

Question 25

Pectoralis minor Proximal attachment

Answer 25

3rd to 5th ribs near their costal cartilages

Question 26

Subclavius Proximal attachment

Answer 26

Junction of 1s rib and its costal cartilage

Question 27

Serratus anterior Proximal attachment

Answer 27

external surfaces of lateral parts of 1st-8th ribs

Question 28

Pectoralis Major distal attachment

Answer 28

Lateral lip of intertubercular sulcus groove of humerus

Question 29

Pectoralis minor distal attachment

Answer 29

Medial border and superior surface of coracoid process of scapula

Question 30

Subclavius distal attachment

Answer 30

Inferior surface of middle theird clavicle

Question 31

Serratus anterior distal attachment

Answer 31

Anterior surface of medial border of scapula

Question 32

Pectoralis major Innervation

Answer 32

Lateral and medial pectoral nerves, clavicular head = C5, C6, Sternocostal head = C7, C8, T1

Question 33

Pectoralis minor Innervation

Answer 33

medial pectoral nerve C8 and T1

Question 34

Subclavius innervation

Answer 34

Subclavian nerve C5 and C6

Question 35

Serratus anterior Innervation

Answer 35

Long thoracic nerve C5, C6 and C7

Question 36

Pectoralis major actions

Answer 36

Adducts and medially rotates shoulder joint, draws scapula anteriorly and inferiorly, Acting alone clavicular head flexes shoulder joint and sternocostal head extends it from the flexed position

Question 37

Pectoralis minor actions

Answer 37

Stabilizes scapula by drawing inferiorly and anteriorly against thoracic wall

Question 38

Subclavius actions

Answer 38

Anchors and depresses clavicle

Question 39

Serratus anterior actions

Answer 39

Protracts scapula and holds against thoracic wall, rotates scapula

Question 40

Biceps Brachii Proximal attachment

Answer 40

Short head: tip of coracoid process of scapula | Long head: supraglenoid tubercle of scapula

Question 41

Brachialis Proximal attachment

Answer 41

Distal half of anterior surface of humerus

Question 42

Coracobrachialis Proximal attachment

Answer 42

tip of coracoid process of scapula

Question 43

Triceps brachii Proximal attachment

Answer 43

Long head: infraglenoid tubercle of scapula Lateral head: posterior surface of humerus, superior to radial groove medial head: posterior surface of humerus, inferior to radial groove

Question 44

Biceps Brachii Distal attachment

Answer 44

tuberosity of radius and fascia of forearm via bicepital aponeurosis

Question 45

Brachialis Distal attachment

Answer 45

coronoid process and tuberosity of ulna

Question 46

Coracobrachialis Distal attachment

Answer 46

middle third of medial surface of humerus

Question 47

Triceps Brachii Distal attachment

Answer 47

proximal end of olecranon of ulna and fascia of forearm

Question 48

Biceps brachii innervation

Answer 48

Musculocutaneous nerve C5, C6

Question 49

Brachialis Innervation

Answer 49

Musculocutaneous nerve C5, C6

Question 50

Coracobrachialis innervation

Answer 50

Musculocutaneous nerve C5, C6, C7

Question 51

Triceps brachii innervation

Answer 51

Radial nerve C6, C7, C8

Question 52

Biceps brachii actions

Answer 52

supinates forearm and when it is supinated flexes elbow joint; flexes shoulder joint; short head resists dislocation of shoulder

Question 53

brachialis actions

Answer 53

flexes elbow joint in all positions

Question 54

Coracobrachialis actions

Answer 54

Helps flex and adduct shoulder joint, resists dislocation of shoulder

Question 55

triceps brachii actions

Answer 55

chief extensor of elbow joints; long head extends shoulder joint and resists dislocation of humerus (especially important during abduction)

Question 56

Omohyoid origin

Answer 56

superior border of the scapula near the suprascapular notch

Question 57

Omohyoid insertion

Answer 57

inferior border of hyoid

Question 58

omohyoid innervation

Answer 58

C1-C3 (by a brach of ansa cervicalis)

Question 59

omohyoid action

Answer 59

depresses, retracts, and steadies hyoid