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Anatomy terms > Muscles of the upper limb > Flashcards

Muscles of the upper limb Flashcards

1
Q

What are the pectoral region muscles

A

Pectoralis major
Pectoralis minor
Subclavicular
Serratus anterior

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2
Q

Origin and insertion of Pectoralis major

A 
Orgin= Clavicular head and sternocostal head 
Insertion= Sulcus of humerus
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3
Q

Origin and insertion of pectoralis minor

A 
Origin= rib 3-5
Insert= Coracoid process
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4
Q

Origin and insertion of Subcalviculus

A 
Origin= 1st rib
Insert= Mid clavicle
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5
Q

Origin and insertion of Serratus anterior

A 
Origin= Rib 1-8 
Insert= Medial border of scapulus
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6
Q

Extrinsic muscles of the shoulder

A 
Rhomboid minor 
Rhomboid major 
Latissimus dorsi 
Leviator scapulae 
Trapezius
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7
Q

Origin and insertion of Trapezius

A 
Origin= skull and c7-t12
Insert= clavicle acromiun
Function= elevate, depression and protraction
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8
Q

Origin and insertion of Latissimus dorsi

A 
Origin= T6-T12
Insert= groove of humerus 
Function= extend, adduct and medially rotate
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9
Q

Origin and insertion of leviator scapulae

A 
Origin= C1- C4
Insert= Mid scapula 
Function= Elevate
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10
Q

Origin and insertion of Rhomboid major and minor

A

Origin=major (T2-T5) Minor (C7-T1)
Inserts= medial border of the scapulla
Function= retract and rotate

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11
Q

Rotator cuff muscles

A

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

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12
Q

Suprasinatus

A

Supraspinatus fossa to greater tubercle

abducts 0-15 degrees

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13
Q

Infraspinatus

A

Infraspinatus fossa to greater tubercle

Lateral rotation

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14
Q

Teres minor

A

Posterior scapulla to greater tubercle

Lateral roation

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15
Q

Subscapularis

A

Subscapularis fossa to lesser tubercle

Medial rotation

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16
Q

Deltoid

A

clavicle, coracoid process and spinous scapulla to deltoid tuberosity of humerus
Flex and extend shoulder

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17
Q

Teres major

A

Inferior scapula to intertuberosity of humerus

Adducts

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18
Q

What innervates the biceps?

A

Muscuntaneous nerve

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19
Q

What innervates the triceps?

A

Radial nerve

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20
Q

Anterior arm muscles

A

Medial to lateral
coracoibranchalis= coracoid process to medial side of humeral shaft
Biceps brachii= inserts in radial tuberosity
Branchialis- Ulna tuberosity insertion
* All innervated by the muscutaneous nerve

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21
Q

Triceps brachii

A

long and lateral head to olcronon of ulna

*radial nerve innervation

22
Q

Anterior forearm superficial muscles

A 
Lateral to medial 
All start at medial epicondlye 
-Pronator teres
-Flexor carpi radialis 
-Palmaris longus 
-Flexor carpi ulnaris

All innervated by the median nerve besides the carpi ulnaris which is innervated by the ulna nerve
Pass fail pass fail

23
Q

Anterior forearm intermediate muscles

A

Flexor digitorum superficialis
Origin-medial epicondyle of humerus and radius
Insert- splits 4, through carpal tunnel to middle phalanges
Function= flexes 4 metacarpals
*median nerve

24
Q

Anterior forearm deep muscles

A

Flexor digitorum profundus
Flexor pollcius longus
pronator quadratus

25
Q

Posterior forearm superficial muscles

A

Medial to lateral

  • Brachioradialis
  • Extensor carpi longus and brevis
  • Extensor digitorum
  • Extensor digiti minimi
  • Extensor carpi ulnaris
  • Anconeous

*all radial nerve

26
Q

Posterior forearm deep muscles

A
  • Supinator
  • Abductus pollicis longus
  • Extensor pollicis longus
  • Extensor indicis proprius

*radial nerve

27
Q

Thenar muscles

A
  1. Opponen pollicis-opposes
  2. Abductor pollicis brevis- abducts
  3. Flexor pollicis brevis- flexes

Median nerve innervates
Only Anna Farts

28
Q

Hypothenar muscles

A
  1. Opponens digiti minimi
  2. Adbuctor digiti minimi
  3. Flexor digiti minimi
    Ulnar nerve innervates
29
Q

Lumbricals

A

Flex MCP

Ulnar innervates

30
Q

Interossei

A

Dorsal- abduct (4)
Palmer- adduct (3)
Ulnar innervates

31
Q

Coracobrachialis

A

origin- coracoid process of scapula, medial
insert- medial side of humeral shaft
Function= flexion of shoulder

32
Q

Biceps brachii

A

Origin- long head superglenoid tubercle, short head coracoid process
Insert- radial tuberosity
Function= supination and flexion at elbow

33
Q

Branchialis

A

Origin- medial and lateral surfaces of humeral shaft
Insert- Ulna tuberosity
Function= flexion of elbow

34
Q

Pronator teres

A

origin- medial epicondyle and coronoid process of ulna
Insert- mid shaft of radius
function- pronation
*medial nerve

35
Q

Flexor carpi radialis

A

origin- medial epicondyle
insert- metacarpals 2 and 3
Function= flexion of wrist and abduction
*media nerve

36
Q

Profundus longus

A 
15 % of population don't have this 
origin- medial epicondyle 
Insert- flexor reticulum
Action= flexion 
*median nerve
37
Q

Flexor carpi ulnarus

A

Origin- medial epicondyle
Insert-pisform bone
Function= flexion and adduction
*ulnar nerve

38
Q

Flexor digitorum profunus

A

Origin- Ulna
Insert- 4 distal phalanges
Function= flex distal interphalanged joints of fingers
*medial= ulnar lateral= median

39
Q

Flexor pollicus longus

A

Origin- anterior radialis
Insert- distal phalanx of thumb
Function= flexes thumb
*median nerve

40
Q

Pronator quatratus

A

origin- Ulna
Insert- anterior radius
function= pronates
*median nerve

41
Q

Branchioradialis

A

Origin- lateral supercondiyle ridge
Insert- distal end of radius
Function= supination, flexes elbow

42
Q

Extensor carpi radialis longus and brevis

A

Origin: Longus- supercondiyle ridge, brevis- lateral epicondyle
Insert- metacarpals 2 +3
Function= extends and abducts wrist

43
Q

Extensor digitorum

A

origin- lateral epicondyle
Insert- extensor hood of fingers
Function= extend fingers at MCP and IP joint

44
Q

Extensor carpi ulnaris

A

Origin- lateral epicondyle
Insert- 4th metacarpal
Function= extends and adducts

45
Q

Extensor digiti minimi

A

Origin- lateral epicondyle
Insert- extensor hood of little finger
Function= extends little finger

46
Q

Anconeus

A

Origin- lateral epicondyle
Insert posterior and lateral olecranon
Function= extends and stabalises elbow

47
Q

Supinator

A

Origin- lateral epicondyle
Insert- posterior radius
Function= supinates

48
Q

Abductus pollicis longus

A

Lateral border of anatomical snuffbox
Origin- interosseous membrane (radius/ulna )
Insert- metacarpal 1
function- abducts thumb

49
Q

Extensor pollicis longus and brevis

A

Origin- posterior radius
Insert-longus= proximal thalanx of thumb, Brevis= distal thalanx of thumb
Function= extends thumb

50
Q

Extensor indicis

A

Origin- posterior ulna
Insert- Extensor hood of first finger
Function= extends

Anatomy terms (11 decks)

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