Lab Exam #3 Actions Flashcards by Melanie Magoon | Brainscape

Q

Action of Frontalis

A

Raises the eyebrows

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Q

Action of Orbicularis Oculi

A

Closes the eye

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Q

Action of Zygomaticus

A

“smiling muscle”

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Q

Action of Orbicularis Oris

A

purses lips “kissing muscle”

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Q

Action of Masseter

A

closes jaw “chewing muscle”

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Q

Action of Sternocleidomastoid

A

cervical rotation and lateral flexion

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Q

Action of Platysma

A

tenses skin of neck

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Q

Action of Sternohyoid

A

depresses hyoid

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Q

Action of Pectoralis Major

A

adducts shoulder

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Q

Action of Pectoralis Minor

A

draws scapula forward

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Q

Action of Serratus anterior

A

draws scapula forward “boxing muscle”

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Q

Action of External intercostals

A

elevates rib cage aids inspiration

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Q

Action of Internal intercostals

A

depresses rib cage aids expiration

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Q

Action of External Oblique

A

flexes and rotates trunk

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Q

Action of Internal Oblique

A

flexes and rotates trunk

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Q

Action of Transverse Abdominis

A

compresses abdominal contents

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Q

Action of rectus abdominis

A

flexes trunk, compresses abdomen

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Q

Action of Trapezius (upper, middle, lower)

A

elevates, depresses, retracts scapular, extends c-spine

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Q

Action of Latissimus Dorsi

A

Adducts shoulder

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Q

Action of Errector Spinae

A

extends vertebral column

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Q

Action of Deltoid

A

flexes, abduct, or extend shoulder

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Q

Action of Rhomboids

A

pulls scapulae medially

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Q

Action of Supraspinatus

A

synergist with deltoid, stabilizes shoulder

Q

Action of Infraspinatus

A

rotates humerus laterally, stabilizes shoulder

Q

Action of Subscapularis

A

rotates humerus medially, stabilizes shoulder

Q

Action of Teres Minor

A

rotates humerus laterally, stabilizes shoulder

Q

Action of Teres Major

A

synergist with latissimus dorsi

Q

Action of Biceps Brachii

A

Flexes elbow, supinates forearm

Q

Action of Brachialis

A

flexes elbow

Q

Action of Triceps Brachii

A

extends elbow

Q

Action of Brachioradialis

A

Flexes Elbow

Q

Action of Flexor Carpi Radialis

A

Flexes wrist

Q

Action of Palmaris Longus

A

Flexes wrist

Q

Action of Flexor Carpi Ulnaris

A

Flexes wrist

Q

Action of Extensor Digitorum

A

extends wrist and fingers

Q

Action of Sartorius

A

flexes and externally rotates hip, flexes knee

Q

Action of Gracills

A

adducts hip

Q

Action of Adductor Magnus

A

Adducts hip

Q

Action of Adductor Longus

A

adducts hip

Q

Action of Adductor Brevis

A

adducts hip

Q

Action of Biceps Femoris

A

flexes knee, extend thigh

Q

Action of Semimembraneous

A

Flexes knee, extend thigh

Q

Action of Semitendinosus

A

Flexes knee, extend thigh

Q

Action of Rectus Femoris

A

flexes hip, extends knee

Q

Action of Vastus Lateralis

A

extends knee

Q

Action of Vastus Medialis

A

extends knee

Q

Action of Vastus intermedialis

A

extends knee

Q

Action of Tensor Fasciae Latae

A

Abducts Hip

Q

Action of Gluteus Maximus

A

Extends hip

Q

Action of Gluteus Medius

A

abducts hip

Q

Action of Iliopsoas

A

flexes hip

Q

Action of Pectineus

A

flexes and adducts hip

Q

Action of Gastrocnemius

A

Plantarflexes ankle

Q

Action of soleus

A

plantarflexes ankle

Q

Action of Tibialis Anterior

A

dorsiflexes ankle