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Anatomy terms > Muscles of the upper limb > Flashcards

Muscles of the upper limb Flashcards

(50 cards)

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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

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A

long and lateral head to olcronon of ulna

*radial nerve innervation

22
Q

Anterior forearm superficial muscles

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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

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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

Study These Flashcards
A

Flexor digitorum profundus
Flexor pollcius longus
pronator quadratus

25
Posterior forearm superficial muscles
Medial to lateral - Brachioradialis - Extensor carpi longus and brevis - Extensor digitorum - Extensor digiti minimi - Extensor carpi ulnaris - Anconeous *all radial nerve
26
Posterior forearm deep muscles
- Supinator - Abductus pollicis longus - Extensor pollicis longus - Extensor indicis proprius *radial nerve
27
Thenar muscles
1. Opponen pollicis-opposes 2. Abductor pollicis brevis- abducts 3. Flexor pollicis brevis- flexes Median nerve innervates Only Anna Farts
28
Hypothenar muscles
1. Opponens digiti minimi 2. Adbuctor digiti minimi 3. Flexor digiti minimi Ulnar nerve innervates
29
Lumbricals
Flex MCP | Ulnar innervates
30
Interossei
Dorsal- abduct (4) Palmer- adduct (3) Ulnar innervates
31
Coracobrachialis
origin- coracoid process of scapula, medial insert- medial side of humeral shaft Function= flexion of shoulder
32
Biceps brachii
Origin- long head superglenoid tubercle, short head coracoid process Insert- radial tuberosity Function= supination and flexion at elbow
33
Branchialis
Origin- medial and lateral surfaces of humeral shaft Insert- Ulna tuberosity Function= flexion of elbow
34
Pronator teres
origin- medial epicondyle and coronoid process of ulna Insert- mid shaft of radius function- pronation *medial nerve
35
Flexor carpi radialis
origin- medial epicondyle insert- metacarpals 2 and 3 Function= flexion of wrist and abduction *media nerve
36
Profundus longus
``` 15 % of population don't have this origin- medial epicondyle Insert- flexor reticulum Action= flexion *median nerve ```
37
Flexor carpi ulnarus
Origin- medial epicondyle Insert-pisform bone Function= flexion and adduction *ulnar nerve
38
Flexor digitorum profunus
Origin- Ulna Insert- 4 distal phalanges Function= flex distal interphalanged joints of fingers *medial= ulnar lateral= median
39
Flexor pollicus longus
Origin- anterior radialis Insert- distal phalanx of thumb Function= flexes thumb *median nerve
40
Pronator quatratus
origin- Ulna Insert- anterior radius function= pronates *median nerve
41
Branchioradialis
Origin- lateral supercondiyle ridge Insert- distal end of radius Function= supination, flexes elbow
42
Extensor carpi radialis longus and brevis
Origin: Longus- supercondiyle ridge, brevis- lateral epicondyle Insert- metacarpals 2 +3 Function= extends and abducts wrist
43
Extensor digitorum
origin- lateral epicondyle Insert- extensor hood of fingers Function= extend fingers at MCP and IP joint
44
Extensor carpi ulnaris
Origin- lateral epicondyle Insert- 4th metacarpal Function= extends and adducts
45
Extensor digiti minimi
Origin- lateral epicondyle Insert- extensor hood of little finger Function= extends little finger
46
Anconeus
Origin- lateral epicondyle Insert posterior and lateral olecranon Function= extends and stabalises elbow
47
Supinator
Origin- lateral epicondyle Insert- posterior radius Function= supinates
48
Abductus pollicis longus
Lateral border of anatomical snuffbox Origin- interosseous membrane (radius/ulna ) Insert- metacarpal 1 function- abducts thumb
49
Extensor pollicis longus and brevis
Origin- posterior radius Insert-longus= proximal thalanx of thumb, Brevis= distal thalanx of thumb Function= extends thumb
50
Extensor indicis
Origin- posterior ulna Insert- Extensor hood of first finger Function= extends

Anatomy terms (11 decks)

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