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Human Anatomy > Lab Practical: Muscles > Flashcards

Lab Practical: Muscles Flashcards

1
Q

Occipitofrontalis

A

Action: Move scalp, elevate eyebrows
Location: Frontal bone

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2
Q

Masseter

A

Action: Elevate mandible (mastication/chewing)

Origin: Zygomatic arch
Insertion: Angle of mandible

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3
Q

Temporalis

A

Action: Elevate mandible
Location: Temporal bone

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4
Q

Buccinator

A

Action: Cheek against teeth
Location: Cheek

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5
Q

Levator labii
 superioris

A

Action: Elevate lip
Location: Near the eye to the lip

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6
Q

Orbicularis
 oculi

A

Action: Close eye (circular shape)

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7
Q

Orbicularis
 oris

A

Action: Close mouth (circular shape)

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8
Q

Zygomaticus
 major

A

Action: Elevate angle of mouth
Location: Zygomatic bone to the side of the mouth. Below zygomaticus minor

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9
Q

Zygomaticus
 minor

A

Action: Elevate lip
Location: Zygomatic bone to the side of the mouth, above zygomaticus major

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10
Q

Digastric

A

Action: Depress mandible
Location: Under the jaw

Origin: Mastoid process
Insertion: Mandible

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11
Q

Sternocleidomastoid

A

Action: Flex neck
Location: Side of the neck

Origin: Sternum and clavicle
Insertion: Mastoid process

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12
Q

Latissimus dorsi

A

Action: Extend, adduct shoulder
Nickname and Workout: Lats, rows

Origin: Spinous process (T7-L5); Sacrum; Iliac crest
Insertion: Intertubercular groove

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13
Q

External intercostals

A

Action: Elevate ribs
Location: Between ribs

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14
Q

Internal intercostals

A

Action: Depress ribs
Location: Between ribs

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15
Q

Diaphragm

A

Action: Inspiration
Location: Between the lungs and the abdominal cavity

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16
Q

Deltoid

A

Action: Abduct arm
Location: Shoulder

Nickname and Workout: Shoulders, military press
Origin: Clavicle, Scapula (spine)
Insertion: Deltoid tuberosity

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17
Q

Risorus

A

Action: Abducts the mouth
Location: Side of the mouth

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18
Q

Depressor labii inferioris

A

Action: Depresses lip
Location: Below the mouth

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19
Q

Gluteus Maximus

A

Action: Extend hip, laterally rotate thigh

Origin: Ilium, sacrum, coccyx
Insertion: Gluteal tuberosity

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20
Q

Gluteus medius

A

Action: Abduct, medially rotate thigh
Location: Side of the leg, below the tensor faciae latae

Origin: Ilium
Insertion: Greater trochanter

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21
Q

Tensor fasciae latae

A

Action: Abduct thigh
Location: Side of the leg, above the gluteus medius

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22
Q

Sartorius

A

Action: Flex hip and knee, laterally rotate thigh
Location: From the hip to the inside of the thigh

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23
Q

Biceps brachii

A

Action: Flex elbow

Origins: Supraglenoid tubercle, coracoid process
Insertion: Radial tuberosity

24
Q

Brachialis

A

Action: Flex elbow
Location: Below the biceps brachii

Insertion: Ulna

25
Q

Triceps brachii

A

Action: Extend elbow

Origin: Scapula, posterior humerus,
Insertion: Olecranon process

26
Q

Brachioradialis

A

Action: Flex elbow
Location: On top of the radius

Origin: Humerus
Insertion: Radius, styloid process

27
Q

Pronator teres

A

Action: Pronate forearm
Location: Across the radius and ulna

28
Q

Extensor digitorum

A

Action: Extend fingers
Location: Follow to the tendons…

29
Q

Extensor digiti minimi

A

Action: Extend little finger
Location: Follow the tendon from the pinky to this tiny muscle

30
Q

Extensor carpi radialis longus

A

Action: Extend wrist
Location: Along the radius, goes above the extensor carpi radialus brevis

31
Q

Extensor carpi radialis brevis

A

Action: Extend wrist
Location: Along the radius, goes below the Extensor carpi radialis longus

32
Q

Extensor carpi ulnaris

A

Action: Extends wrist
Location: Right next to the extensor digiti minimi

Origin: Lateral epicondyle, humerus
Insertion: 5th metacarpal

33
Q

Palmeris longus

A

Action: Flex wrist
Location: Follow the main superficial tendon from the wrist back to this muscle

34
Q

Flexor carpi radialis

A

Action: Flex wrist
Location: On the radial side of the palmeris longus

35
Q

Flexor carpi ulnaris

A

Action: Flex wrist
Location: Ulner side of the palmeris longus

Origin: Medial epicondyle
Insertion: Pisiform, hamate

36
Q

Flexor digitorum superficialis

A

Action: Flex fingers
Location: Deep to the palmeris longus

37
Q

Flexor digitorum profundus

A

Action: Flex fingers
Location: Deep to the flexor digitorum superficialis

38
Q

Abductor pollicis longus

A

Action: Abducts thumb
Location: Side of the thumb, to abduct, the longer one, more toward the palm

39
Q

Extensor pollicis brevis

A

Action: Extend thumb
Location: Side of the thumb, the shorter one, more to the back of the hand

40
Q

Gracilis

A

Action: Adduct thigh
Location: Right next to the sartorius

Origin: Inferior pubic ramus
Insertion: Medial surface tibia

41
Q

Pectineus

A

Action: Adduct thigh
Location: Superior/lateral to the adductor longs (looks tiny on the model)

42
Q

Adductor longus

A

Action: Adduct thigh
Location: Superior/lateral to the gracilis (looks pretty big on the model)

43
Q

Rectus femoris

A

Action: Extend knee
Location: Goes through the patella, right in the middle of the thigh (anterior angle)

Origin: Anterior inferior iliac spine
Insertion: Tibial tuberisity

44
Q

Vastus lateralis

A

Action: Extend knee
Location: Lateral to the rectus femoris

45
Q

Vastus medialis

A

Action: Extend knee
Location: Medial to the rectus femoris

46
Q

Biceps femoris

A

Action: Flex knee
Location: Hamstrings, lateral to semitendinosus (One of two major muscles)

Origin: Ischial tuberosity, femur
Insertion: Head of fibula

47
Q

Semimembranosus

A

Action: Flex knee
Location: Deep (?) to semitendinosus. Medial side of the leg

Origin: Ischial tuberosity
Insertion: Medial condyle, tibia

48
Q

Semitendinosus

A

Action: Flex knee
Location: Hamstring area, medial to biceps femurs (One of two major muscles)

49
Q

Gastrocnemius

A

Action: Plantarflex foot
Location: The big calf muscle, looks like two muscles

Origin: Both condyles, femur
Insertion: Calcaneus

50
Q

Soleus

A

Action: Plantarflex foot
Location: Deep to the gastrocnemius and achilles tendon

51
Q

Tibialis anterior

A

Action: Dorsiflex, invert foot
Location: Lateral to the tibia, big muscle on the front

Origin: Lateral tibia
Insertion: Medial cuneiform

52
Q

Fibularis brevis

A

Action: Plantarflex, evert foot
Location: Tendon loops around the lateral malleolus. The shorter muscle. Side of the lower leg

53
Q

Fibularis longus

A

Action: Plantarflex, evert foot
Location: Tendon loops around the lateral malleolus. The longer muscle. Side of the lower leg

54
Q

Extensor digitorum longus

A

Action: Extend toes, dorsiflex foot
Location: Large muscle lateral to the tibialis anterior
(follow the tendons from the toes to the muscle)

55
Q

Extensor hallucis longus

A

Action: Extend big toe, dorsiflex foot
Location: Muscle intermediate to tibialis anterior and extensor digitorum longus
(Follow the tendon from the big toe to the muscle)

Human Anatomy (18 decks)

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