Muscles Of Upper Limb

Front 1

Origin and attachment of pectoralis minor

Back 1

Origin: 3rd-5th rib

Insertion: coracoid process of scapular

Front 2

Innervation of pectoralis minor

Back 2

Middle pectoral nerve

Front 3

Origin and insertion of serratus anterior

Back 3

Origin: lateral aspect of 1-8 ribs

Insertion: coastal facing surface of medial border of scapular

Front 4

Innervation of serratus anterior

Back 4

Long thoracic nerve

Front 5

Origin and insertion of subclavius muscle

Back 5

Origin: Costichondral junction of 1st rib

Insertion: inferior surface of middle third of clavicle

Front 6

What are extrinsic muscle of the shoulder

Back 6

They originate from the trunk and attach to the bones of the shoulder (clavicle, humerus and scapular)

Front 7

Innervation of subclavius

Back 7

Nerve to subclavius

Front 8

The most superficial back muscle is

Back 8

Trapezius

Front 9

Origin and insertion of trapezius

Back 9

Origin: skull, nuchal ligament and spinous process of C7-T12

Insertion: clavicle, acromion and scapular spine

Front 10

Innervation of trapezius muscle

Back 10

Accessory nerve and proprioceptive fibers from C3 and C4

Front 11

Origin and insertion of latissimus dorsi

Back 11

Origin: spinous process of T6-T12, thoracolumbar fascia, iliac crest and inferior 3 ribs.

Insertion: intertubercular sulcus of humerus

Front 12

Innervation of latissimus dorsi

Back 12

Thoracodorsal nerve

Front 13

Deep muscles of the back

Back 13

Levator scapulae

Rhomboid major and minor

Front 14

Origin and insertion of levator scapulae

Back 14

Origin: transverse process of C1-C4

Insertion: medial border of scapular.

Front 15

Innervation of rhomboid major

Back 15

Dorsal scapular

Front 16

Origin and insertion of rhomboid major

Back 16

Origin: spinous process of T2-T5

Insertion: medial border of scapular btw scapular spine and inferior border

Front 17

Innervation of levator scapulae

Back 17

Dorsal scapular nerve

Front 18

Origin and insertion of rhomboid minor muscle

Back 18

Origin: spinous process of C7-T1

Insertion: medial border of scapular at the level of scapular spine

Front 19

Innervation of rhomboid minor

Back 19

Dorsal scapular nerve

Front 20

Origin and insertion of deltoid muscle

Back 20

Origin: lateral third of clavicle, scapular spine and acromion.

Insertion: deltoid tuberosity

Front 21

Origin and insertion of teres major

Back 21

Origin: inferior angle dorsal surface of scapular

Insertion: crest of lesser tubercle of humerus

Front 22

List the Rotator cuff muscles

Back 22

Supraspinatus

Infraspinatus

Subscapularis

Teres minor

Front 23

What are rotator cuff muscles

Back 23

They are a group of four muscles that originate from scapular and attach to humeral head, collectively they pull humeral head into the glenoid fossa

Front 24

Origin and insertion of supraspinatus muscle

Back 24

Origin: supraspinous fossa of scapular

Insertion: greater tubercle of the humerus

Front 25

Action of supraspinatus muscle

Back 25

Abduct the arm 0°-15°

Assist deltoid in 15-90°

Front 26

Origin and insertion of infraspinatus muscle

Back 26

Origin: infraspinatus fossa on scapular

Insertion: greater tubercle of humerus

Front 27

Innervation of supraspinatus and infraspinatus muscle

Back 27

Suprascapular nerve

Front 28

Origin and insertion of Teres minor

Back 28

Origin: posterior surface of scapular

Insertion: greater tubercle of humerus

Front 29

Origin and insertion of subscapularis

Back 29

Origin: subscapular fossa on costal surface of scapular

Insertion: lesser tubercle of humerus

Front 30

Innervation of Teres minor

Back 30

Axillary nerve

Front 31

Innervation of subscapularis

Back 31

Upper and lower subscapular nerve

Front 32

Principal flexors of elbow joint

Back 32

Biceps brachii, brachioradialis and brachialis

Front 33

Extensors of elbow joint

Back 33

Triceps brachii and anconeus

Front 34

Origin and insertion of biceps brachii

Back 34

Origin: long head supraglenoid tubercle; short head coracoid process

Insertion: radial tuberosity

Front 35

Origin and insertion of brachalis

Back 35

Origin: medial and lateral surface of humeral shaft

Insertion: ulna tuberosity

Front 36

Origin and insertion of coracobrachialis

Back 36

Origin: coracoid process of scapular

Insertion: medial side of humeral shaft at level of deltoid tubercle

Front 37

Superficial muscle of anterior compartment of forearm

Back 37

Flexor carpi ulnaris

Palmaris longus

Flexor carpi radialis

Pronator teres

Front 38

Origin and insertion of flexor carpi ulnaris

Back 38

Origin: medial epicondyle

Insertion: pisiform

Front 39

Origin and insertion of plamaris longus

Back 39

Origin: medial epicondyle

Insertion: flexor retinaculum

Front 40

Origin and insertion of flexor carpi radialis

Back 40

Origin: medial epicondyle

Insertion: base of metacarpal 2&3

Front 41

Origin and insertion of pronator teres

Back 41

Origin: medial epicondyle and coronoid process of ulna

Insertion: laterally to mid shaft of radius

Front 42

Origin and insertion of flexor digitorum superficialis

Back 42

Origin: medial epicondyle and other part of radius

Insertion: middle phalanges of four fingers

Front 43

Muscle found deep in anterior fore arm compartment

Back 43

Flexor digitorum profunda

Flexor pollicis longus

Pronators quadratus

Front 44

Origin and insertion of flexor digitorum profunda

Back 44

Origin: ulna and associated interrosseous membrane

Insertion: distal phalanges of four fingers

Front 45

Origin and insertion of flexor pollis longus

Back 45

Origin: anterior surface of radius and interossoeus membrane

Insertion: distal phalanx of thumb

Front 46

Origin and insertion of pronator quadratus

Back 46

Origin: anterior surface of ulna

Insertion: anterior surface of radius

Front 47

Why is brachioradialis referred to as a paradoxical muscle

Back 47

Because its origin, insertion and innervation are that of an extensor muscle but it flexes the elbow joint

Front 48

Origin and insertion of brachioradialis

Back 48

Origin: proximal part of supracondular ridge of humerus

Insertion: distal end of radius just before the radial styloid process

Front 49

Origin and insertion of extensor carpi radialis longus and brevis

Back 49

Origin:The ECRL originates from the supracondylar ridge, while the ECRB originates from the lateral epicondyle.

Insertion: Their tendons attach to metacarpal bones II and III.

Front 50

Main extensor of fingers

Back 50

Extensor digitorum

Front 51

Origin and insertion of extensor digitorum

Back 51

Origin: lateral epicondyle. The tendon continues into in the distal part of the forearm, where it splits into four,

Insertion: extensor hood of each finger.

Front 52

Origin and insertion of extensor Carpi Ulnaris

Back 52

Origin: lateral epicondyle of the humerus,

Insertion: base of metacarpal V.

Front 53

Muscles in the deep compartment of the posterior forearm –

Back 53

the supinator,

abductor pollicis longus,

extensor pollicis brevis,

extensor pollicis longus

extensor indicis.

Front 54

Origin and insertion of supinator

Back 54

Origin: It has two heads of origin. One originates from the lateral epicondyle of the humerus, the other from the posterior surface of the ulna.

Insertion: They insert together into the posterior surface of the radius.