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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
Pronator Teres
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
flexor carpi radialis
``` 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
flexor digitorum superficialis
``` 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
flexor digitorum profundus
``` 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
pronator quadratus
``` Deep 4th layer O: Anterior distal ulna I: Anterior distal radius N: Median Nerve (C8,T1) A: Forearm pronation ```
30
Extensor Carpri Radialis Longus
``` 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
extensor carpi radialis brevis
``` 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
extensor digitorum
``` 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
extensor digiti minimi
``` 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
extensor carpi ulnaris
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
supinator
``` Deep 1st Laterally O: lateral epicondyle of humerus Ulna I: Radius N: Radial Nerve (C7,8) A: supinates forearm ```
36
Extensor Indicis
``` 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
biceps brachii
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
Coracobrachialis
O: coracoid process of scapula I: shaft of humerus N: Musculocutaneous Nerve (C5,6,7) A: Helps flex and ADduct arm, resists dislocation
39
Brachialis
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
tricep brachii
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
Anconeus
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
Extensor Pollicis longus
``` 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
Extensor pollicis brevis
``` 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
Opponen pollicis
P: Flexor retinaculum and lateral carpals D: Lateral 1st metacarpal N: Median (C8, T1) A: Opposition of thumb
45
Abductor pollicis brevis
P: Flexor retinaculum and lateral carpals D: Lateral base of proximal phalanx of thumb N: Median (C8,T1) A: ABD thumb
46
Flexor pollicis brevis
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
Adductor pollicis
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
Abductor digiti minimi
P: Pisiform D: Proximal phalanx of digit 5 N: Ulnar (C8, T1) A: ABD of 5th digit, FL at PIP
49
Flexor digiti minimi brevis
P: Hook of hamate and flexor retinaculum D: Proximal phalanx of digit 5 N: Ulnar (C8, T1) A: FL at PIP (5th digit)
50
Opponens digiti
P: Hook of hamate and flexor retinaculum D: 5th metacarpal N: Ulnar (C8, T1) A: Opposes 5th digit
51
Lumbricals
``` 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
Dorsal interossei
``` 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
Palmar interossei
``` 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
Abductor Pollicis Longus
``` 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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