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Human Anatomy Intro Terms > Muscular System > Flashcards

Muscular System Flashcards

1
Q

Tendon

A

Attaches muscle to bone.

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2
Q

Calcaneal Tendon

A

“Achilles Tendon”; attaches talus, soleus + gastrocnemius to tibia.

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3
Q

Aponeurosis

A

Wide, flat sheet of connective tissue that connects muscle to muscle.

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4
Q

Iliotibeal Tract (IT band)

A

Aponeurosis along the lateral side of both legs. Begins at ilium and connects to the tibia.

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5
Q

Origin

A

Where a muscle attaches to a bone and remains stable.

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6
Q

Insertion

A

Where a muscle attaches to a bone that moves or functions during movement.

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7
Q

Action

A

The movement that takes place when a muscle is excited.

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8
Q

Flexion

A

The action of bending usually at a joint.
Movement that causes the angle between two points of a joint to decrease.

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9
Q

Extension

A

The action of straightening, usually at a joint.
Movement causes the angle between to points of a joint to increase.

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10
Q

Adduction

A

Movement towards the midline.

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11
Q

Abduction

A

Movement away from the midline.

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12
Q

Supination

A

Upwards rotation (hand, arm, foot, etc.)

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13
Q

Pronation

A

Downwards rotation (hand, arm, foot, etc.)

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14
Q

Elevation

A

Superior or upwards motion of a body part (mandible).

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15
Q

Depression

A

Inferior or downwards motion of a body part (mandible).

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16
Q

Inversion

A

Movement of the foot inwards and towards the midline.

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17
Q

Eversion

A

Movement of the foot outwards and away from the midline.

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18
Q

Dorsiflexion

A

Toes up

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19
Q

Plantar Flexion

A

Tip-toes

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20
Q

Flexor Retinaculum

A

Strong fibrous band that covers carpal bones on the palmar side of the hand.

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21
Q

Extensor Retinaculum

A

A fibrous band on the back of the wrist that holds the extensor tendons in place. (dorsal carpal lig.)

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22
Q

Gluteus Maximus

A

Most superficial, butt muscle

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23
Q

Gluteus Medius

A

Deep to Glut. Max., Superficial to Glut. Min., medial butt muscle.

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24
Q

Gluteus Minimus

A

Most deep, smallest of the three.

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25
Q

Psoas Major

A

Deep in abdominal cavity, makes internal “v”.

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26
Q

Iliacus

A

Iliac fossa, forms “V line”.

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27
Q

Adductor Longus

A

Most anterior + medial.

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28
Q

Adductor Magnus

A

Largest + posterior.

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29
Q

Gracilis

A

Most medial, lateral and smallest.

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30
Q

Sartorius

A

Thigh to knee, medial, longest + allows us to sit criss-cross-apple-sauce.

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31
Q

Tensor Faciae Lattae

A

Lateral hip, inferior to gluteus but most superficial leg muscle.

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32
Q

Biceps Femoris

A

“Hamstring”, lateral + large

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33
Q

Semimembranosus

A

Deep + medial.

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34
Q

Semitendinosus

A

Superficial + lateral.

35
Q

Rectus Femoris

A

Anterior + medial “quad”, superficial

36
Q

Vastus Lateralis

A

Lateral quad.

37
Q

Vastus Medialis

A

Medial quad.

38
Q

Vastus Intermedius

A

Inbetween the other two, deep to rectus femoris.

39
Q

Gastrocnemius

A

Superficial + superior calf muscle.

40
Q

Soleus

A

Deep to gastrocnemius.

41
Q

Tibialis Anterior

A

Anterior shin; goes to big toe.

42
Q

Extensor Digitorum Longus

A

Lateral shin; goes to toes.

43
Q

Orbicularis Oculi

A

Surrounds eye and orbital.

44
Q

Masseter

A

Superficial cheek, elevates mandible.

45
Q

Zygomaticus

A

superficial cheek, cheekbone; pulls corners of mouth up and back.

46
Q

Temporalis

A

Temporal +parietal bone.

47
Q

Buccinator

A

Deep to masseter, compresses cheek.

48
Q

Sternocleidomastoid

A

Mastoid process to clavicle; flexion in neck.

49
Q

Digastric

A

Just inferior to mandible, elevates hyoid bone and depresses jaw.

50
Q

External Intercostals

A

Elevates rib during forced inspiration.

51
Q

Internal Intercostals

A

Depresses ribs during during forced expiration.

52
Q

Diaphragm

A

increases volume of thoracic cavity for inspiration.

53
Q

External Oblique

A

Compresses abdomen, flexes body at lumbar region, superficial.

54
Q

Internal oblique

A

Compresses abdomen, flexes body at lumbar region, deep.

55
Q

Transverse abdominis

A

Medial + anterior, compresses abdomen.

56
Q

Rectus Abdominis

A

Most anterior, superficial and medial; compresses abdomen.

57
Q

Pectoralis Major

A

Anterior to ribs, superior.

58
Q

Pectoralis Minor

A

Posterior and inferior.

59
Q

Triceps Brachii

A

3 heads, posterior.

60
Q

Biceps Brachii

A

2 heads, anterior.

61
Q

Brachioradialis

A

Wraps forearm.

62
Q

Brachialis

A

Between tricep and bicep.

63
Q

Pronator teres

A

Opposite to brachioradialis, makes a “Y” shape.

64
Q

Palmaris Longus

A

Goes over flexor retinaculum.

65
Q

Flexor Carpi Radialis

A

Lateral to Flexor Ret.

66
Q

Flexor Carpi Ulnaris

A

Medial to Flexor Ret.

67
Q

Flexor Digitorum Superficialis

A

Underneath Flexor Ret.; medial

68
Q

Extensor Carpi Radialis Longus

A

Most lateral.

69
Q

Extensor Carpri Radialis Brevis

A

2nd most lateral, shorter and thicker.

70
Q

Extensor Carpi Ulnaris

A

Most medial.

71
Q

Extensor Digitorum

A

Most medial and superficial, goes to all of the fingers besides the pinky.

72
Q

Extensor Digiti Minimi

A

2nd most medial, goes to the pinky finger.

73
Q

Trapezius

A

Elevates, depresses + adducts the scapula; superior + medial shoulder.

74
Q

Deltoid

A

Abduction, flexion and extension at shoulder.

75
Q

Teres Major

A

Banner shape from inferior scapula to humerus joint.

76
Q

Teres Minor

A

Just inferior to infraspinaticus.

77
Q

Subscapularis

A

Subscapular fossa; medial rotation @ shoulder.

78
Q

Infraspinatus

A

Infraspinatus Fossa; Lateral rotation @ shoulder.

79
Q

Supraspinatus

A

Supraspinatus Fossa; Abduction @ shoulder.

80
Q

Rhomboid Major

A

Superior shoulder/neck, adduction of scapula.

81
Q

Rhomboid Minor

A

Inferior shoulder/neck, adduction of scapula.

82
Q

Sacrospinalis (Errector Spinae)

A

Extension of back, keeps our posture stable and constant.

Human Anatomy Intro Terms (8 decks)

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