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Muscle Definitions and Functions, Quizzes of Physiology

Definitions and functions of various muscles, including their actions on the coronal and sagittal planes. Muscles covered include the frontalis, orbicularis oculi, orbicularis oris, sternocleidomastoid, pectoralis major, deltoid, external intercostals, internal intercostals, diaphragm, rectus abdominis, external oblique, trapezius, latissimus dorsi, triceps brachii, biceps brachii, quadriceps femoris, rectus femoris, hamstring group, biceps femoris, gastrocnemius, tibialis anterior, gluteus maximus, gluteus medius, abduction, adduction, flexion, extension, and hyperextension.

Typology: Quizzes

2011/2012

Uploaded on 11/08/2012

littletaxikab
littletaxikab 🇺🇸

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TERM 1
Frontalis
DEFINITION 1
Raises eyebrows, draws scalp backwards
TERM 2
Orbicularis Oculi
DEFINITION 2
Blinks, closes, and squints eye
TERM 3
Orbicularis Oris
DEFINITION 3
Closes, purses lips, (kissing muscle)
TERM 4
Sternocleidomastoid
DEFINITION 4
Both flex the head and neck, each single rotates head and
neck
TERM 5
Pectoralis Major
DEFINITION 5
Flexes and adducts arm joint
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Frontalis

Raises eyebrows, draws scalp backwards

TERM 2

Orbicularis Oculi

DEFINITION 2

Blinks, closes, and squints eye

TERM 3

Orbicularis Oris

DEFINITION 3

Closes, purses lips, (kissing muscle)

TERM 4

Sternocleidomastoid

DEFINITION 4

Both flex the head and neck, each single rotates head and

neck

TERM 5

Pectoralis Major

DEFINITION 5

Flexes and adducts arm joint

Deltoid

Abducts arm joint

TERM 7

External Intercostals

DEFINITION 7

Elevates ribs during inspiration

TERM 8

Internal Intercostals

DEFINITION 8

Depresses ribs during forced expiration

TERM 9

Diaphragm

DEFINITION 9

Enlarges thoracic cavity vertically

TERM 10

Rectus Abdominis

DEFINITION 10

Flexes vertebral column (sit-up muscle)

Quadriceps Femoris

Group extends knee

TERM 17

Rectus Femoris

DEFINITION 17

Extends knee and flexes leg

TERM 18

Hamstring Group

DEFINITION 18

Group extends leg and flexes knee

TERM 19

Biceps Femoris

DEFINITION 19

Flexes Knee

TERM 20

Gastrocnemius

DEFINITION 20

Plantar Flexes Foot

Tibialis Anterior

Dorsiflexes foot

TERM 22

Gluteus Maximus

DEFINITION 22

Extends leg

TERM 23

Gluteus Medius

DEFINITION 23

Abducts leg

TERM 24

Abduction

DEFINITION 24

On the Coronal PlaneMovement away from the midline

TERM 25

Adduction

DEFINITION 25

On the Coronal PlaneMovement towards the midline