Biomed: Muscles

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Buccinator

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Tags and Description

24 Terms

1

Buccinator

compresses cheek (sucking straw)

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2

Orbicularis Oris

squeezes & protrudes lips (kissing)

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3

Zygomaticus Major

draws mouth up (smiling)

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4

Frontalis

raises eyebrows & wrinkles forehead

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5

Orbicularis Oculi

squeezes eyes closed (squinting)

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6

Platysma

lowers jaw & pulls lower lip down (frowning/opening mouth)

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7

Trapezius

moves scapula/shoulders (shrugging/shoulder rolls)

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8

Deltoid

flexion, medial rotation, & abduction of humerus at shoulder (moving arm)

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9

Pectoralis Major

flexion, medial rotation, & adduction of humerus at shoulder (overhead motions)

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10

Triceps Brachii

extends forearm at elbow

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11

Biceps Brachii

flexes elbow & turns forearm (holding something)

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12

Tibialis Anterior

dorsiflexion & inversion of ankle (flex foot)

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13

Sternocleidomastoid

flexes neck (cocking neck to a side)

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14

Rectus Abdominus

compresses abdomen & flexes vertebral column (crunches)

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15

External Oblique

compresses abdomen & flexes vertebral column (side crunch)

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16

Sartorius

flexes hip & knee, laterally rotating thigh (crossing legs)

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17

Gluteus Maximus

extends hip & laterally rotates femur (going up stairs)

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18

Gastrocnemius

knee flexion & plantar flexion of ankle (pointing foot)

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19

Soleus

plantar flexion of ankle (pointing foot)

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20

Rectus Femoris

extends knee & flexes hip (kicking)

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21

Latissimus dorsi

extension, medial rotation, & adduction of humerus at shoulder (lat pull downs)

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22

Temporalis

elevates mandible (closing mouth)

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23

Psoas Major

flexes hip (lifting leg)

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24

Internal Intercoastals

pulls ribcage down & pushes air out of lungs (speech)

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