The Muscles Flashcards Preview

Human Biology > The Muscles > Flashcards

Flashcards in The Muscles Deck (21):
1

Pectoralis Major

Brings arms forward and across chest

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2

External Oblique

Compresses abdomen; rotation of trunk

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3

Quadriceps Femoris

Strengthens leg at knee; raises thigh

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4

Masseter

A chewing muscle; clinches teeth

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5

Deltoid

bring arm away from the side of body; moves arm up and down in front

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6

Biceps Brachii

Bend forearm at elbow

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7

Rectus Abdominis

Bends vertebral column; compresses abdomen 

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8

Trapezius

raises scapula, as when shrugging shoulders; pulls head backward

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9

Latissimus Dorsi

Brings arms down and backward behind the body

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10

Triceps Brachii

Straightens forearm at elbow

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11

Gluteus Maximus

Extends thigh back

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12

Gastrocnemius

Turns foot downward, as when standing on toes; bends leg at knee

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13

Achilles Tendon

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14

Flexion 

Joint angle decreases

15

Extension

Joint angle increases

16

Adduction

Body part moves towards midline

17

Abduction

Body part moves away from midline

18

Rotation

Body part moves around its own axis

19

Circumduction

Body part moves so that a cone shape is outlined

20

Inversion

Sole of foot turns inward

21

Eversion

Sole of foot turns outward