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Anatomy TEST 1 > Muscles > Flashcards

Muscles Flashcards

1
Q

Pec Major

A

Prox: clavicle and sternum, costal cartilages
Distal: Humorous ridge of greater tubercle
N: Lateral and medial pec nerves (C5-T1)
A: Adducts and medially rotates, flexes, when flexed it will extends

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2
Q

pec minor

A

prox: upper ribs
Dist: coracoid process
N: Medial pec nerve (C8, T1)
A: stabilizes scap, depression and protraction and rotate to depress humerus

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3
Q

Subclavius

A

Prox: 1st rib
Dist: Clavicle
N: nerve to subclavius (C5, C6)
A: Anchors and depresses clavicle

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4
Q

serratus anterior

A

Prox: Anterior Lateral Rib Cage
Dist: medial border scapula
N: Long thoracic C5,6,7
A: protraction, depresses, rotates to elevate scap

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5
Q

Trapezuis

A

Prox: Nuchal line, nuchal ligament, spinous processes C1-T12
Dist: clavicle, acromion, spine of scap
N: Cranial Nerve XI
A: Upper:
On Head - Bilateral = extension, hyperextension Unilateral = Rotation, AD/ABduction
On Scap - Elevates, Retracts, Rotate to elevate
Lower: On scap - Depression, Retraction, Rotate to Elevate

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6
Q

latissimus dorsi

A

Prox: thoracolumbar fascia
Distal: intertubercular sulcus humerus
N: Thoracodorsal (C6,7,8)
A: Extends, adducts and medially rotates humerus raises body toward arms during climbing

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7
Q

Levator Scapulea

A

Prox: transverse process C1-C4
Dist: superior angle of scap
N: Dorsal scapular (C5) and cervicle (C3,C4) nerves
A: elevates scapula, rotate to depress, retract

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8
Q

Rhomboids

A

Prox: transverse process of C7 T5
Dist: medial end of scapular spine, and medial border
N: Dorsal scapular nerve (C4,5)
A: retract, elevate scapula and rotate to depress

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9
Q

Deltoid

A

Prox: clavicle, acromoin and spine of scap
Dist: deltoid tuberosity
N: axillary nerve (C5,C6)
A: Anterior - flextion, medially rotates, ADduct
posterior - extension, external rotate, ADduct
superior - ABduct

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10
Q

Supraspinatus

A

Prox: supraspinous fossa of scapula
Dist: greater tubercle
N: suprascapular (C4,C5,C6)
A: stabilizes shoulder, abduction of arm

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11
Q

infraspinatus

A

Prox: infraspinous fossa
Dist: greater tubercle
N: suprascapular (C5,6)
A: Stabilizes shoulder, laterally rotates arm

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12
Q

teres minor

A

Prox: lateral border of scapula
Dist: greater tubercle
N: Axillary (C5,6)
A: Stabilizes shoulder, laterally rotates

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13
Q

teres major

A

Prox: Inferior angle
Dist: intertubercular sulcus of humerus
N:Lower subscapular nerve (C5,6)
A: Extends Adducts medially rotates

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14
Q

Subscapularis

A

Prox: subscapular fossa
Dist: lesser tubercle
N: upper and lower subscapular nerves (C5,6,7)
A: Stabilizes shoulder, medially rotates arm

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15
Q

Protractors of the scapula

A

serratus anterior, pectoralis minor

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16
Q

Retractors of the scapula

A

Rhomboids, Traps, levator

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17
Q

Elevators of the scapula

A

Levator, rhomboids, upper trap

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18
Q

Depressors of the scapula

A

Lower Trap, Pec Minor, Serratus

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19
Q

Rotate to Elevate glenoid

A

Upper/Lower trap and serratus ant

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20
Q

Rotate to Depress glenoid

A

Rhomboids, levator, and pec minor

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21
Q

palmaris longus

A 
Superficial layer 2nd Medial
O: medial epicondyle of humerus
I: palmar aponeurosis
N: Median Nerve (C7,8)
A: Flexes (wrist) 
Elbow: FL
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22
Q

flexor carpi ulnaris

A 
Superficial 1st Medial
O: medial epicondyle of humerus, olecranon and ulna
I: pisiform and hamate, metacarpal 5
N: Ulnar nerve (C7,8)
A: AD, FL hand
Elbow: FL
23
Q

Flexor Pollis Longus

A 
Deep Laterally
O: Radius ulna interosseous membrane
I: Palmar surface of Phalanx of pollex
N: Median Nerve (C8,T1)
A: Wrist: FL, ABD
Carpometacarpal: FL (1st digit)
MCP: FL (1st digit)
IP: FL (1st digit)
24
Q

brachioradialis

A

Superficial 1st lateral
O: lateral supra-epicondylar ridge of humerus
I: styloid process radius
N: Radial Nerve (C5,6,7)
A: Flexion elbow when semi pronated, radioulnar supination

25
Q

Pronator Teres

A

Superficial Most Lateral
O= Coronoid Process (Ulna) and Medial epicondyle (humerus)
I= Lateral surface of radius
N= Median nerve (C6,7)
A= Pronates (radioulnar) and Flexes (Humeroulnar)

26
Q

flexor carpi radialis

A 
Superficial 2nd lateral
O: medial epicondyle of humerus
I: base of 2-3 metacarpals
N: Median Nerve (C6,7)
A: Flexes and abducts hand (wrist)
Elbow - FL
27
Q

flexor digitorum superficialis

A 
Intermediate Layer
O: medial epicondyle of the humerus, anterior border of radius
I: palmar surface digits 2-5
N: Median Nerve (C8, T1)
A: Elbow: FL
PIP: FL (digits 2-5)
MCP: FL (digits 2-5)
Wrist: FL
28
Q

flexor digitorum profundus

A 
Deep layer Medially
O: Radius Ulna interosseous membrane
I: palmar surface digits 2-5
N: Median nerve 2 and 3
Ulnar Nerve 4 and 5 (C8, T1)
A: Wrist: Fl
DIP: FL (digits 2-5)
PIP: FL (digits 2-5)
MCP: FL (digits 2-5)
29
Q

pronator quadratus

A 
Deep 4th layer
O: Anterior distal ulna
I: Anterior distal radius
N: Median Nerve (C8,T1)
A: Forearm pronation
30
Q

Extensor Carpri Radialis Longus

A 
Superficial 2nd Laterally
O: lateral supra-epicondylar ridge of humerus
I: base of 2nd metacarpal
N: Radial Nerve (C6,7)
A: Extend and abduct hand at wrist
Elbow: EX
31
Q

extensor carpi radialis brevis

A 
Superficial 3rd laterally
O: lateral epicondyle of humerus
I: base of 3rd metacarpal
N: Radial Nerve (C7,8)
A: Extend and abduct hand at wrist
Elbow: EX
32
Q

extensor digitorum

A 
Superficial 4th Laterally
O: lateral epicondyle of humerus
I: metacarpals 2-5 extensor expansion joints
N: Radial Nerve (C7-8)
A: Elbow: EX
Wrist: EX
MCP: EX (Digits 2-5)
DIP: EX
PIP:EX
33
Q

extensor digiti minimi

A 
Superficial 5th laterally
O: lateral epicondyle of humerus
I: 5th metacarpal extensor expansion joints
N: Radial Nerve (C7,8)
A:Elbow: EX
Wrist: EX, ADD
MCP: EX (5th digit)
PIP: EX
DIP: EX
34
Q

extensor carpi ulnaris

A

Superficial 6th Laterally
O: lateral epicondyle of humerus and posterior border of ulna
I: base of metacarpal 5 extensor expansion joints
N: Radial Nerve (C7,8)
A: Elbow: EX
Wrist: EX, ADD

35
Q

supinator

A 
Deep 1st Laterally
O: lateral epicondyle of humerus Ulna
I: Radius
N: Radial Nerve (C7,8)
A: supinates forearm
36
Q

Extensor Indicis

A 
Deep 2nd Laterally
O: Radius ulna, interosseous membrane
I: distal phalanx of 2nd digit
N: Radial Nerve (C7,8)
A: MCP: EX (2nd digit)
DIP: EX
PIP: EX
Wrist: EX, ABD
37
Q

biceps brachii

A

O: Short head - coracoid process of scapula
Long head - supraglenoid tubercle of scapula
I: Tuberosity of radius and bicipital aponeurosis
N: Musculocutaneous Nerve (C5,6,7)
A: Supinates forearm, flexes at elbow, weak flexor of the shoulder, short head resists dislocation

38
Q

Coracobrachialis

A

O: coracoid process of scapula
I: shaft of humerus
N: Musculocutaneous Nerve (C5,6,7)
A: Helps flex and ADduct arm, resists dislocation

39
Q

Brachialis

A

O: distal anterior humerus
I: coronoid process and tuberosity ulna
N: Musculocutaneous Nerve and Radial Nerve (C5,6,7)
A: flexes forearm in all positions

40
Q

tricep brachii

A

O: Long head - Infraglenoid tubercle of scapula
Lateral head - superior to radial grove
Medial head - inferior to radial grove
I: proximal end of olecranon of ulna and fascia of forearm
N: radial nerve (C6,7,8)
A: main extensor of forearm, long head - extension and ADduction of arm and resists dislocation of humerus

41
Q

Anconeus

A

O: Lateral epicondyle of humerus
I: Lateral olecranon process and proximal ulna
N: radial nerve (C8,T1)
A: assists in elbow extension, stabilizes elbow joint

42
Q

Extensor Pollicis longus

A 
Deep 4th laterally
P: radius ulna and interosseous membrane
D: extensor expansion of digit 1 
N: Radial (C7,8)
A: Thumb: EX
Wrist: EX, ABD
43
Q

Extensor pollicis brevis

A 
Deep 5th laterally
P: radius ulna and interosseous membrane
D: Dorsal proximal phalanx of thumb
N: Radial (C7,8)
A: Thumb: EX
Wrist: EX, ABD
44
Q

Opponen pollicis

A

P: Flexor retinaculum and lateral carpals
D: Lateral 1st metacarpal
N: Median (C8, T1)
A: Opposition of thumb

45
Q

Abductor pollicis brevis

A

P: Flexor retinaculum and lateral carpals
D: Lateral base of proximal phalanx of thumb
N: Median (C8,T1)
A: ABD thumb

46
Q

Flexor pollicis brevis

A

P: Flexor retinaculum and lateral carpals
D: Lateral base of proximal phalanx of thumb
N: superficial - Median (C8, T1), Deep - Ulnar (C8, T1)
A: Thumb: FL, ADD

47
Q

Adductor pollicis

A

P: Base of 2nd and 3rd metacarpals, shaft of 3rd metacarpal and adjacent carpals
D: Medial side of proximal phalanx of thumb
N: Ulnar (C8, T1)
A: ADD thumb

48
Q

Abductor digiti minimi

A

P: Pisiform
D: Proximal phalanx of digit 5
N: Ulnar (C8, T1)
A: ABD of 5th digit, FL at PIP

49
Q

Flexor digiti minimi brevis

A

P: Hook of hamate and flexor retinaculum
D: Proximal phalanx of digit 5
N: Ulnar (C8, T1)
A: FL at PIP (5th digit)

50
Q

Opponens digiti

A

P: Hook of hamate and flexor retinaculum
D: 5th metacarpal
N: Ulnar (C8, T1)
A: Opposes 5th digit

51
Q

Lumbricals

A 
P: Tendons of flexor digitorum profundus
D: Lateral extensor expansions of digits 2-5
N: Median (C8, T1), Ulnar (C8, T1)
A: MCP: FL
PIP: EX
DIP: EX
52
Q

Dorsal interossei

A 
DABs
P: Metacarpals
D: Extensor expansions of 2nd-4th digits
N: Ulnar (C8, T1)
A: Digits 2-4: ABD, ADD Digit 3
MCP: FL
PIP: EX
DIP: EX
53
Q

Palmar interossei

A 
PADs
P: Metacarpals
D: Extensor expansions of 2nd, 4th and 5th digits
N: Ulnar (C8, T1)
A: 2nd, 4th, 5th digits: ADD
MCP: FL
PIP: EX
DIP: EX
54
Q

Abductor Pollicis Longus

A 
Deep 3rd laterally
P: Radius ulna interosseous membrane
D: Distal base of thumb
N: Radial (C7,8)
A: AB thumb and wrist

Anatomy TEST 1 (7 decks)

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