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Anatomy Lab > Posterior Cadaver Muscle > Flashcards

Posterior Cadaver Muscle Flashcards

(70 cards)

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1
Q

What muscle is #1?What are its origins, insertions, and actions?

A

Trapezius
O: occipital bone, spinous process of C7-T12
I: acromion and spine of scapula, clavicle
A: elevate or depress scapula, retract and upwardly rotate scapula

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2
Q

What muscle is #2?What are its origins, insertions, and actions?

A

Latissimus Dorsi
O: spinous process of T7-T12, ribs 9-12, iliac crest
I: Intertubercular groove
A: extends, adducts, medially rotates arm

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3
Q

What muscle is #3?What are its origins, insertions, and actions?

A

Levator Scapulae
O: transverse process of C1-C4
I: medial border
A: elevated, retracts, downwardly rotates scapula

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4
Q

What muscle is #4?What are its origins, insertions, and actions?

A

Rhomboid Major
O: spinous process of T2-T5
I: medial border
A:retracts and downwardly rotates scapula

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5
Q

What muscle is #5?What are its origins, insertions, and actions?

A

Rhomboid Minor
O: spinous process of C7-T1
I: medial border
A: retracts and downwardly rotates scapula

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6
Q

What muscle is #6?What are its origins, insertions, and actions?

A

Supraspinatus
O: Supraspinous fossa
I: glenoid tubercle
A: abducts arm

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7
Q

What muscle is #7?What are its origins, insertions, and actions?

A

Infraspinatus
O: infraspinous fossa
I: glenoid tubercle
A: laterally rotates arm

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8
Q

What muscle is #8?What are its origins, insertions, and actions?

A

Teres Minor
O: lateral border
I: glenoid tubercle
A: laterally rotates arm

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9
Q

What muscle is #9?What are its origins, insertions, and actions?

A

Teres Major
O: inferior angle
I: medially lip of inter-tubercular sulcus
A: adducts, extends, medially rotates arm

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10
Q

What muscle is #10?

A

Splenius Capitis

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11
Q

What muscle is #11?

A

Semispinalis Capitis

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12
Q

What muscle is #12?

A

Iliocostalis

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13
Q

What muscle is #13?

A

Longissimus

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14
Q

What muscle is #14?

A

Spinalis

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15
Q

What muscle is #1? What are its origin, insertion, and actions?

A

Triceps Brachii Long Head
O: infraglenoid tubercle
I: olecranon process
A: extends forearm

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16
Q

What muscle is #2? What are its origin, insertion, and actions?

A

Triceps Brachii Lateral Head
O: shaft of humerus
I: olecranon process
A: extends forearm

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17
Q

What muscle is #3? What are its origin, insertion, and actions?

A

Triceps Brachii Medial Head
O: shaft of humerus
I: olecranon process
A: extends forearm

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18
Q

What muscle is #4? What are its origin, insertion, and actions?

A

Subscapularis
O: subscapular fossa
I: lesser tubercule
A: medically rotates arm

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19
Q

What muscle is #1?

A

Flexor Carpi Radialis

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20
Q

What muscle is #2?

A

Palmaris Longus

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21
Q

What muscle is #3?

A

Flexor Carpi Ulnaris

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22
Q

What muscle is #4?

A

Pronator Teres

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23
Q

What muscle is #5?

A

Brachioradialis

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24
Q

What muscle is #6?

A

Flexor Digitorum Superficialis

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25
What muscle is #7?
Supinator
26
What muscle is #8?
Flexor Digitorum Profundus
27
What muscle is #9?
Flexor Pollicis Longus
28
What muscle is #10?
Pronator Quadratus
29
What muscle is #1?
Abductor Pollicis Brevas
30
What muscle is #2?
Flexor Pollicis Brevis
31
What muscle is #3?
Opponens Pollicis
32
What muscle is #4?
Adductor Pollicis
33
What muscle is #5?
Abductor Digiti Minimi
34
What muscle is #6?
Flexor Digiti Minimi Brevis
35
What muscle is #7?
Opponens Digiti Minimi
36
What muscle is #8?
Lumbricals
37
What muscle is #9?
Palmar Interossei
38
What is muscle #1? What are its origins, insertions, and actions?
Gluteus Maximus O: Ilium, Sacrum, Coccyx I: Gluteal tuberosity, iliotibial tract A: extends, laterally rotates, abducts thigh
39
What is muscle #2? What are its origins, insertions, and actions?
Gluteus Medius O: gluteal surface I: greater trochanter A: abducts, medially rotates thigh
40
What is muscle #3? What are it's origins, insertions, and actions?
Gluteus Minimus O: gluteal surface I: greater trochanter A: abducts, medially rotates thigh
41
What is muscle #4? What are its origins, insertions, and actions?
Piriformis O: anterior sacrum I: greater trochanter A: laterally rotates thigh, horizontal abduction/extension
42
What is muscle #5? What are its origins, insertions, and actions?
Obturator Internus O: greater sciatic notch, obturator foreamen I: greater trochanter A: laterally rotates thigh, horizontal abduction/extension
43
What is muscle #6? What are its origins, insertions, and actions?
Long Head O: ischial tuberosity I: fibula head, lateral condyle of tibia A: extends thigh, flexes, & laterally rotates leg
44
What is muscle #7? What are its origins, insertions, and actions?
Semitendinosus O: ischial tuberosity I: shaft of tibia A: extends thigh, flexes & medially rotates leg
45
What is muscle #8? What are its origins, insertions, and actions?
Semimembranosus O: ischial tuberosity I: medial condyle A: extends thigh, flexes & medially rotates leg
46
What is muscle #9? What are its origins, insertions, and actions?
Superior Gemellus O: ischial spine I: greater trochanter A: laterally rotates thigh, horizontal abduction/extension
47
What is muscle #10? What are its origins, insertions, and actions?
Inferior Gemellus O: ischial spine I: greater trochanter A: laterally rotates thigh, horizontal abduction/extension
48
What is muscle #11? What are its origins, insertions, and actions?
Quadratus Femoris O: ischial tuberosity I: intertrochanteric crest A: laterally rotates thigh
49
What is muscle #12? What are its origins, insertions, and actions?
Short Head O: linea aspera I: fibula head, lateral condyle of tibia A: flexes & laterally rotates leg
50
What is muscle #1? What are its origins, insertions, and actions?
Gastrocnemius O: lateral & medial condyles of femur I: calcaneus via calcaneal tendon A: plantar flexion, flex leg
51
What is muscle #2? What are its origins, insertions, and actions?
Soleus O: tibia, fibula, i.o. membrane I: calcaneus via achilles tendon A: plantar flexion
52
What is muscle #3? What are its origins, insertions, and actions?
Plantaris O: femur I: calcaneus via calcaneal tendon A: flexes leg, plantar flexion
53
What is muscle #4? What are its origins, insertions, and actions?
Popliteus O: lateral condyle I: proximal tibia A: flexes & medially rotates leg to unlock knee
54
What is muscle #5? What are its origins, insertions, and actions?
Flexor Digitorum Longus O: shaft of tibia I: distal phalanges 2-5 A: plantar flexion, inversion, flexes digits 2-5
55
What is muscle #6? What are its origins, insertions, and actions?
Tibialis Posterior O: tibia, fibula, i.o. membrane I: navicular, cuneiforms, metatarsals 2-4 A: plantar flexion, inversion
56
What is muscle #7? What are its origins, insertions, and actions?
Flexor Hallucis Longus O: shaft of tibia, i.o. membrane I: 1st distal phalanx A: plantar flexion, inversion, flexes hallux
57
What is muscle #8? What are its origins, insertions, and actions?
Fibularis Brevis O: fibula shaft I: 5th metatarsal A: plantar flexion, eversion
58
What is muscle #9? What are its origins, insertions, and actions?
Fibularis Longus O: head of fibula I: medial cuneiform, 1st metatarsal A: plantar flexion, eversion
59
What is muscle #10?
Extensor Digitorum Brevis
60
What is muscle #1?
Abductor Digiti Minimi
61
What is muscle #2?
Flexor Digitorum Brevis
62
What is muscle #3?
Abductor Hallucis
63
What is muscle #4?
Flexor Accessorius
64
What is muscle #5?
Flexor Digitorum Longus Tendons
65
What is muscle #6?
Flexor Hallucis Longus Tendons
66
What is muscle #7?
Lumbricals
67
What is muscle #8?
Flexor Digiti Minimi Brevis
68
What is muscle #9?
Adductor Hallucis
69
What is muscle #10?
Flexor Hallucis Brevis
70
What is muscle #11?
Interosseous Muscles

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