Bones And Muscles

Front 1

A O I of the trapezius

Back 1

A: elevate, rotate and adduct the scapula

O: occiput, nuchal ligament, spinous processes of c7-t12

I: lateral 1/3 of clavicle, acromion process and spine of scapula

Front 2

A O I of the Latissimus Dorsi

Back 2

A: adduction and internal rotation of the arm at the shoulder and forceful depression of the scapula

O: spinous process of thoracic T7-T12, thoracolumbar fascia, iliac crest and inferior 3rd/4th ribs, inferior angle of the scapula

I: floor of the intertubercular groove of the humerus

Front 3

A O I of the deltoid (anterior/middle)

Back 3

A: laterally abducts and forward flexes the humerus at the glenohumorel joint

O: clavicle, acromion

I: deltoid tuberocity of the humerus

Front 4

A O I of the supraspinatus

Back 4

A: abducts the arm at the glenohumeral joint

O: suprispinous fossa of the scapula

I: superior facet of the greater tubercle of the humerus

Front 5

A O I of the teres major

Back 5

A: assists adduction, internal rotation and extention of arm

O: posterior aspect of the inferior angle of the scapula

I: medial lip of the intertubercular sulcus of the humerus

Front 6

A O I of the triceps

Back 6

A: elbow extension and the long head pulls the humerus into the glenoid fossa

O:

long head: infraglenoid tubercle of scapula

Lateral head: posterior humerus

Medial head: posterior humerus

I: olecranon process of ulna

Front 7

A O I of the pectoralis major

Back 7

A: shoulder adduction, movement across the chest, internal rotation of the humerus

O: clavicle, sternum, costal cartilage and external oblique aponeurosis

I: intertubercular groove of the humerus

Front 8

A O I of the biceps brachii

Back 8

A: flexes the elbow and supinates the forearm

O:

Short head: coracoid process of the scapula

Long head: supraglenoid tubercle

I: radial tuberocity and bicipittal aponeurosis into deep fascia on medial part of forearm

Front 9

A O I of the deltoid (posterior/middle)

Back 9

A: laterally abducts the humerus at the glenohumeral joint

O: spine of the scapula

I: deltoid tuberocity of the humerus

Front 10

A O I of the subscapularis

Back 10

A: internally rotates and adducts the head of the humerus

O: subscapularis fossa

I: lesser tubercle of the humerus

Front 11

A O I of the teres minor

Back 11

A: assists external rotation of the head of the humerus

O: lateral border of the scapula

I: inferior facet of the greater tubercle of the humerus

Front 12

A O I of the infraspinatus

Back 12

A: externally rotates the humerus

O: infraspinous fossa of the scapula

I: middle facet of the greater tubercle of the humerus

Front 13

A O I of the rhomboid major

Back 13

A: retracts the scapula (adducts and draws medially)

O: spinous process of the T2 to T5 vertebrae

I: medial border of the scapula, inferior to the insertion of the rhomboid minor muscle

Front 14

A O I of the serratus anterior

Back 14

A: protracts the scapula and rotates it upward

O: fleshy slips from the outer surface of the upper 8 or 9 ribs

I: medial margin of the scapula

Front 15

A O I of the rhomboid minor

Back 15

A: retracts the scapula (adducts and draws medially)

O: nuchal ligaments and spinous processes of the C7 to T1 vertebrae

I: border of the scapula below the levator scapulae

Front 16

A O I of the pectoralis minor

Back 16

A: draws the scapula forward, downward and inward at nearly equal angles

O: 3rd or 5th rib, near their costal cartilages

I: coracoid process of the scapula

Front 17

A O I of the levator scapulae

Back 17

A: elevates the scapula or rotates the neck to the same side and assists extension

O: posterior tubercles of transverse processes of C1 to C4 vertebrae

I: superior part of the medial border of the scapulae

Front 18

A O I of the coracobrachialis

Back 18

A: assists flexion and adduction of the humerus

O: coracoid process of scapula

I: medial humerus

Front 19

A O I of the brachialis

Back 19

A: flexes the elbow

O: anterior surface of the humerus, particularly the distal half of the bone

I: coronoid process and the tuberocity of the ulna

Front 20

A O I of the brachioradialis

Back 20

A: flexes the elbow

O: lateral supracondylar ridge of the humerus

I: distal radius (radial styloid process)

Front 21

A O I of the palmaris longus

Back 21

A: wrist flexion

O: medial epicondyle of the humerus

I: palmar aponeurosis and flexor retinaculum

Front 22

A O I of the flexor carpi radialis

Back 22

A: flexes and radially deviates wrist

O: medial epicondyle of the humerus

I: 2nd and 3rd metacarpal base

Front 23

A O I of the extensor carpi radialis longus

Back 23

A: extends and radially deviates the wrist

O: lateral supracondylar ridge of the humerus

I: 2nd metacarpal base

Front 24

A O I of the flexor carpi ulnaris

Back 24

A: flexes and ulnar deviates wrist

O:

Ulnar head: olecranon and posterior ulna

Humeral head: medial epicondyle of the humerus

I: pisiform, hamate, and 5th metacarpal base

Front 25

A O I of the extensor carpi radialis brevis

Back 25

A: extends the wrist

O: lateral epicondyle of the humerus

I: 3rd metacarpal base

Front 26

A O I of the extensor carpi ulnaris

Back 26

A: extends the wrist and assists ulnar deviation

O: lateral epicondyle of the humerus and posterior ulna

I: 5th metacarpal base

Front 27

A O I of the extensor digitorum

Back 27

A: extends finger MP joints and assists wrist extension

O: lateral epicondyle of the humerus

I: extensor expansion of digits 2-5

Front 28

A O I of the abductor pollicis longus

Back 28

A: abducts and extends thumb CMC joint

O: radius, ulna and interosseous membrane

I: 1st metacarpal base

Front 29

A O I of the pronator quadratus

Back 29

A: pronates forearm

O: distal ulna

I: distal radius

Front 30

A O I of the anconeus

Back 30

A: extends the elbow

O: lateral epicondyle of the humerus

I: lateral surface of the olecranon process of the ulna and posterior ulna

Front 31

A O I of the supinator

Back 31

A: supinates the forearm

O: lateral epicondyle of the humerus, supinator crest of the ulna, radial collateral ligament, annular ligament

I: lateral proximal radial shaft

Front 32

A O I of the flexor digitorum profundus

Back 32

A: flexes the finger DIP joints and assists with wrist flexion

O: proximal ulna and interosseous membrane

I: base of the finger distal phalanges

Front 33

A O I of the flexor digitorum superficialis

Back 33

A: flexes the finger PIP joints

O: medial epicondyle of the humerus as well as the radius and ulna

I: base of finger middle phalanges

Front 34

A O I of the flexor digiti minimi brevis

Back 34

A: flexes the pinky

O: hamate bone

I: base of the proximal phalanx

Front 35

A O I of the lumbricals

Back 35

A: flexes finger MP joints and extends PIP and DIP joints

O: flexor digitorum profundus tendons

I: extensor expansion of the fingers

Front 36

A O I of the extensor indicis

Back 36

A: extends the index finger MP joint

O: posterior ulna and interosseous membrane

I: extensor hood expansion of the index finger

Front 37

Which muscles cause shoulder abduction

Back 37

Deltoid (anterior/middle)

Supraspinatus

Front 38

Which muscles cause shoulder adduction

Back 38

Latissimus dorsi

Pectoralis major

Teres major

Coracobrachialis

Triceps

Front 39

Which muscles cause shoulder flexion

Back 39

Deltoid (anterior/middle)

Pectoralis major

Coracobrachialis

Biceps brachii

Front 40

Which muscles cause shoulder extension

Back 40

Latissimus dorsi

Deltoid (posterior/middle)

Teres major

Triceps

Front 41

Which muscles cause shoulder internal rotation

Back 41

Pectoralis major

Latissimus dorsi

Deltoid (anterior/ middle)

Subscapularis

Teres major

Front 42

Which muscles cause shoulder external rotation

Back 42

Teres minor

Infraspinatus

Deltoid (posterior/middle)

Front 43

Which muscles cause scapular retraction

Back 43

Trapezius

Rhomboid major

Rhomboid minor

Latissimus dorsi

Front 44

Which muscles cause scapular protraction

Back 44

Serratus anterior

Pectoralis minor

Pectoralis major

Levator scapula

Front 45

Which muscles cause scapular elevation

Back 45

Trapezius

Levator scapula

Serratus anterior

Front 46

Which muscles cause scapular depression

Back 46

Latissimus dorsi

Pectoralis major

Trapezius

Front 47

Which muscles cause elbow flexion

Back 47

Biceps brachii

Brachioradialis

Brachialis

Front 48

Which muscles cause elbow extension

Back 48

Triceps

Anconeus

Front 49

Which muscles cause forearm pronation

Back 49

Pronator quadratus

Pronator teres

Anconeus

Front 50

Which muscles cause forearm supination

Back 50

Supinator

Biceps brachii

Front 51

Which muscles cause wrist flexion

Back 51

Flexor carpi radialis

Flexor carpi ulnaris

Palmaris longus

Front 52

Which muscles cause wrist extension

Back 52

Extensor carpi radialis brevis

Extensor carpi radialis longus

Extensor carpi ulnaris

Extensor digitorum

Front 53

Which muscles cause wrist ulnar deviation

Back 53

Flexor carpi ulnaris

Extensor carpi ulnaris

Front 54

Which muscles cause wrist radial deviation

Back 54

Extensor carpi radialis longus

Extensor carpi radialis longus

Flexor carpi radialis

Abductor pollicis longus

Extensor pollicis longus

Extensor pollicis brevis

Front 55

Which muscles cause finger flexion

Back 55

Flexor digitorum profundus

Flexor digitorum superficialis

Flexor digiti minimi brevis

Lumbricals

Front 56

Which muscles cause finger extension

Back 56

Extensor digitorum

Extensor indicis

Front 57

Which muscles insert */originate # on the acromion process of the scapula

Back 57

Trapius *

Deltoid (anterior/middle) #

Front 58

Which muscles insert */originate # on the coracoid process of the scapula

Back 58

Pectoralis minor *

Biceps brachii (short) #

Coracobrachialis #

Front 59

Which muscles insert */originate # on the subscapularis fossa

Back 59

Subscapularis #

Front 60

Which muscles insert */originate # on the supraspinatus fossa

Back 60

Supraspinatus #

Front 61

Which muscles insert */originate # on the infraspinatus fossa

Back 61

Infraspinatus #

Front 62

Which muscles insert */originate # on the infraglenoid tubercle

Back 62

Triceps #

Front 63

Which muscles insert */originate # on the lateral border of the scapula

Back 63

Teres minor #

Front 64

Which muscles insert */originate # on the supraglenoid tubercle

Back 64

Biceps brachii (long) #

Front 65

Which muscles insert */originate # on the inferior angle of the scapula

Back 65

Latissimus dorsi #

Teres major #

Front 66

Which muscles insert */originate # on the medial border of the scapula

Back 66

Rhomboid major *

Rhomboid minor *

Serratus anterior *

Levator scapula *

Front 67

Which muscles insert */originate # on the spine of the scapula

Back 67

Trapezius *

Deltoid (posterior/middle) #

Front 68

Which muscles insert */originate # on the clavicle

Back 68

Deltoid (anterior/middle) #

Pectoralis major #

Trapezius *

Front 69

Which muscles insert */originate # on the greater tubercle of the humerus

Back 69

Supraspinatus *

Teres minor *

Infraspinatus *

Front 70

Which muscles insert */originate # on the intertubercle groove of the humerus

Back 70

Latissimus dorsi *

Pectoralis major *

Teres major *

Front 71

Which muscles insert */originate # on the lesser tubercle of the humerus

Back 71

Subscapularis *

Front 72

Which muscles insert */originate # on the deltoid tuberosity

Back 72

Deltoid *

Front 73

Which muscles insert */originate # on the lateral epicondyle of the humerus

Back 73

Anconeus #

Extensor carpi radialis brevis #

Extensor carpi ulnaris #

Extensor digitorum #

Supinator#

Front 74

Which muscles insert */originate # on the medial epicondyle of the humerus

Back 74

Pronator teres #

Flexor carpi radialis #

Flexor carpi ulnaris #

Palmaris longus #

Flexor digitorum superficialis #

Front 75

Which muscles insert */originate # on the lateral supracondylar ridge of the humerus

Back 75

Brachioradialis #

Extensor carpi radialis longus #

Front 76

Which muscles insert */originate # on the humerus

Back 76

Coracobrachialis *

Triceps (2 heads) *

Brachialis #

Front 77

Which muscles insert */originate # on the ulna

Back 77

Flexor carpi ulnaris (post. side) #

Extensor carpi ulnaris (post. side) #

Abductor pollicis longus (distal) #

Pronator quadratus (distal) #

Anconeus (post. side) *

Front 78

Which muscles insert */originate # on the olecranon process of the ulna

Back 78

Triceps *

Anconeus *

Flexor carpi ulnaris #

Front 79

Which muscles insert */originate # on the coronoid process of the ulna

Back 79

Brachialis *

Pronator teres #

Front 80

Which muscles insert */originate # on the radius

Back 80

Abductor pollicis longus (distal) #

Pronator teres *

Pronator quadratus (distal) *

Supinator (lateral proximal shaft) *

Front 81

Which muscles insert */originate # on the styloid process on the radius

Back 81

Brachioradialis *

Front 82

Which muscles insert */originate # on the radial tuberosity of the radius

Back 82

Biceps brachii *

Front 83

Which muscles insert */originate # on the interosseous membrane

Back 83

Abductor pollicis longus #

Extensor pollicis brevis #

Extensor pollicis longus #

Flexor digitorum profundus #

Extensor indicis #