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CABS > Muscle Actions > Flashcards

Muscle Actions Flashcards

1
Q

Sartorius

A

External rotation of hip, flexion of leg, sitting cross legged

Femoral nerve

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2
Q

Adductor Longus muscle

A

Adducts the thigh

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3
Q

Rectus femoris

A

Weak flexor of hip, extension of leg

Femoral nerve

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4
Q

Vastus Lateralis

A

Extension of leg

Femoral nerve

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5
Q

Vastus medialis

A

Extension of leg

Femoral nerve

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6
Q

Vastus intermedius

A

Extension of leg

Femoral nerve

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7
Q

Articulate muscle of the knee

A

Prevents pinching of suprapatellar bursa

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8
Q

Adductor Longus

A

Adducts thigh

Obturator nerve

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9
Q

Adductor Brevis

A

Adducts the thigh

Obturator nerve

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10
Q

Adductor magnus

A

Adducts the thigh, extends the thigh

Obturator nerve

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11
Q

Gracilis muscle

A

Adduction of thigh and flexion of leg

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12
Q

Tensor fascia lata

A

Flexes hip and stabilizes thigh on leg

Superior gluteal nerve

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13
Q

Iliopsoas

A

Flexes hip

Femoral nerve

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14
Q

Piriformis muscle

A

Laterally rotates and stabilizes hip

Piriformis nerve

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15
Q

Biceps femoris

A

Extend thigh and flex knee

Tibial branch of sciatic nerve

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16
Q

Semimembranosus

A

Extends thigh, flexes knee

Tibial branch of sciatic nerve

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17
Q

Semitendinosus

A

Extend thigh, flex knee

Tibial nerve branch of sciatic nerve

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18
Q

Gluteus medius

A

Abducts thigh, stabilizes hip when we walk

Superior gluteal nerve

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19
Q

Gluteus minimus

A

Hip abduction, stabilize pelvis when we walk

Superior gluteal nerve

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20
Q

Gluteus Maximus

A

Extends thigh

Interior gluteal nerve

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21
Q

What does the pudendal nerve innervate?

A

External anal and urethral sphincters “S2, 3, and 4 keep the poop and pee off the floor)

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22
Q

Pelvic splanchnic nerves

A

Autonomic regulation of bladder, bowel function

Sexual response

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23
Q

Politeus

A

Unlocks knee to initiate flexion

Tibial nerve

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24
Q

Plantaris

A

Weak flexor of leg, proprioception

Tibial nerve

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25
Fibularis longus and brevis
Evert the foot and assist in plantar flexion Superficial fibular nerve
26
Tibialis anterior Extensor hallucinate longus Extensor digitorum longus Fibularis tertius
Dorsiflex and invert the foot Deep fibular nerve
27
Flexor hallucis longus
Flexes distal phalanx of great toe Tibial nerve
28
Flexor digitorum longus
Flexes distal phalanges of lateral 4 toes Tibial nerve
29
Tibialis posterior
Inverts the foot Tibial nerve
30
Supraspinatus
Abducts arm Suprascapular nerve
31
Infraspinatus
External rotation of arm Suprascapular nerve
32
Teres minor
External rotation Axillary nerve
33
Deltoid
Anterior fiber - flex arm Middle fibers -abduct arm Posterior fibers - extend arm Axillary nerve
34
Biceps brachii
Forearm flexion Musculocutaneous nerve
35
Brachialis
Strongest forearm flexor Musculocutaenous nerve
36
Coracobrachialis
Flexion and Adduction of arm Musculocutenous nerve
37
Triceps brachii
Extension of forearm Radial nerve
38
Brachioradialis
Flexes forearm in mid-prone position Radial nerve
39
Extensor Carpi Radialis longus
Radial deviation of wrist Radial nerve
40
Extensor Carpi Radialis brevis
Radial deviation of wrist Radial nerve
41
Extensor digitorum
Extends digits 2-5 at MCP joints, extends wrist Radial nerve
42
Extensor digiti minimi
Extends pinky finger Radial nerve
43
Extensor Carpi Ulnaris
Ulnar deviation at wrist Ulnar nerve
44
Abductor pollicis longus
Abducts thumb Radial nerve
45
Extensor pollicis brevis
Extends thumb Radial nerve
46
Extensor pollicis longus
Extends thumb Radial nerve
47
Extensor Indicis
Extends pointer finger
48
Thenar muscles
Abductor pollicis brevis Flexor pollicis brevis Opponens pollicis
49
Abductor pollicis brevis
Abducts thumb Median nerve
50
Flexor pollicis brevis
Flexes thumb at MCP Median nerve
51
Opponens pollicis
Opposes thumb Median nerve
52
1st and 2nd lumbricals
Flex MCP, extend DIP, PIP Median nerve
53
Pronator Teres
Pronates forearm Median nerve
54
Flexor Carpi Radialis
Flexes wrist at radial side, slight radial deviation Median nerve
55
Palmaris longus
Weak flexor of wrist Median nerve
56
Flexor digitorum profundus
Flexes wrist, MCP, PIP/DIP Median nerve AND ulnar nerve
57
Flexor pollicis longus
Flexes thumb, PIP joint in thumb Median nerve
58
Pronator Quadratus
Pronation Median nerve
59
Flexor Carpi Ulnaris
Flexes wrist at ulnar side, slight ulnar deviation Ulnar nerve
60
Intrinsic muscles of the hand
Adductor pollicis 3rd and 4th lumbricals Interossei
61
3rd and 4th lumbricals
Flex MCP, extend DIP/PIP Ulnar nerve
62
Adductor pollicis
Adducts thumb Ulnar nerve
63
Palmar interossei
Adducts fingers Ulnar nerve
64
Dorsal interossei
Abduct fingers Ulnar nerve
65
Serratus Anterior
``` Rotates scapula Protracted scapula (giving yourself a hug) ``` Long thoracic nerve
66
Latissimus Dorsi
Extension of arm, lat pull downs, rows Thoracodorsal nerve
67
Rhomboid major and minor
Retracts scapula, rotates scapula (brings shoulder blades closer together) Dorsal scapular
68
Trapezius
Superior fibers - elevates scapula, rotates scapula Middle fibers - retracts scapula Inferior fibers - depresses scapula, rotates scapula Accessory nerve
69
Which superficial back muscles aid in respiration
Trapezius, latissimus dorsi Rhomboid major and minor Levator scapulae Serratus posterior superior and inferior
70
What are they 2 true back muscle groups?
1. Erector spinae | 2. Transversospinalis group
71
Erector spinae group
Spinalis, longisimus, iliocostalis
72
Spinalis
Keeps spine erect, extension of spin
73
Iliocostalis
Bilaterally - extension | Unilateral - lateral flexion
74
Longisimus
Bilateral - extension | Unilateral - lateral flexion
75
Transversospinalis group
Semispinalis Multifidus Rotatores
76
Semispinalis
Extension and lateral flexion of spine
77
Multifidus
Stabilizes spine
78
Rotatores
Rotates the vertebrae
79
Borders of little triangle of auscultation
Trapezius, latissimus dorsi, Teres major

CABS (5 decks)

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