Muscles of the body Flashcards by Jenny Lashin

1 Frontalis

Scalp muscle

Description and Function

Location- Goes from the forehead to top of skull.

Function- Raises eyebrows or draws the scalp forward

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2 Occipitalis

Scalp muscle

Description and Function

Location-Nape of the neck

Function-Draws the scalp back

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1 Auricularis Anterior

Ear muscle

Location-Front of the ear

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2 Auricularis Superior

Ear muscle

Location-Above the ear

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3 Auricularis Posterior

Ear muscle

Location-Behind the ear

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1 Corrugator

Eye and nose muscle

Location-Between the eyebrows

Function-Controls the eyebrows. Drawing them in and downward

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2 Levator Palpebrae Superioris

Eye and nose muscle

Location-Above the eyelids

Function-Raises the eyelid

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3 Orbicularis Oculi

Eye and nose muscle

Location-Circles around the eye socket

Function-Closes the eyelid

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4 Procerus

Eye and nose muscle

Location-Between the eyebrows

Function-Draws brows down, wrinkles the area in between brows and upper part of nose.

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5 Nasalis

Eye and nose muscle

Location-Across the bridge of the nose

Function-Opens nostrils, wrinkles bridge of nose

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1 Orbicularis Oris

Mouth muscles

Location-Circles the mouth

Function-Contracts. Puckers and wrinkles the lips. as in kissing or whistling

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2 Quadratus Labii Superioris

Mouth muscles

Location-Consists of 3 parts, located above the lip

Function-Raises both nostrils and the upper lip. As in expressing distaste

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3 Quadratus Labii Inferioris

Mouth muscles

Location-Below the lower lip

Function-Pulls lower lip down or to the side. As in expressing sarcasm

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4 Mentalis

Mouth muscles

Location-Tip of the chin

Function-Pushes lower lip up and or wrinkles the chin. As in expressing doubt

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5 Risorius

Mouth muscles

Location-Corner of the mouth

Function-Draws the mouth up and out. As in grinning

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6 Caninus

Mouth muscles

Location-Above the corners of the mouth

Function-Raises the angle of the mouth. As in snarling

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7 Triangularis

Mouth muscles

Location-Below the corners of the mouth

Function-Draws the corners of the mouth down. Expressing sadness

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8 Zygomaticus

Mouth muscles

Location-Major and minor. Outside the corners of the mouth

Function-Draws mouth out and back. As in laughing

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9 Buccinator

Mouth muscles

Location-Between jaws and cheek

Function-Compresses the cheek to release air outwardly, as in blowing

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1 Temporalis

Mastication (chewing) muscles

Location- Above and in front of the ear

Function-Opening and closing the jaw. As in chewing (mastication)

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2 Masseter

Mastication (chewing) muscles

Location-Covers the hinge of the jaw

Function-Closing the jaw. As in chewing (mastication)

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3 Platysma

Neck and back muscles

Location-Extends from the tip of the chin to the shoulders and chest

Function-Draws the lower lip and corners of mouth sideways and down. Partially opening the mouth, as in surprise or fright

4 Sternocleidomastoid

Neck and back muscles

Location-Goes along the side of the neck from the ear to the collarbone

Function-Causes the head to move from side to side and up and down. Nodding yes or no

5 Trapezius

Neck and back muscles

Location-Flat, triangular. Covers the upper and back part of the neck and shoulders

Function-Draws the head back and elevating the shoulder blades

Neck and back muscles #6 Latissimus Dorsi

Location-Flat, triangular. covers the lumbar (lower back) region and lower half of the thoracic region Function-Swinging of the arms

Shoulder, chest, and upper arm muscles #1 A. Pectoralis Major B. Pectoralis Minor

Location-Extends across the front of the chest Function-Assists in swinging the arms

Shoulder, chest, and upper arm muscles #2 Serratus Anterior

Location-Under the arm Function-Helps in lifting the arm and in breathing

Shoulder, chest, and upper arm muscles #3 Deltoid

Location-Triangle-shaped. Covers the shoulder Function-Lifts the arm or turns it

Shoulder, chest, and upper arm muscles #4 Biceps

Location-Primary muscle in the front of the upper arm Function-Raises the forearm, bends the elbow and turns the palm of the hand down

Shoulder, chest, and upper arm muscles #5 Triceps

Location-Extends the length Function-Controls forward movement of the forearm

Hand and lower arm muscles #1 Thenar Eminence

Location-Group of 3 muscles found in the palm of the hand at the base of the thumb Function-Controls movement of the thumb

Hand and lower arm muscles #2 Hypothenar Eminence

Location-Group of 3 muscles at the side of the palm, at the base of the little finger Function-Controls the motion of the little finger

Hand and lower arm muscles #3 Brachialis

Location-Located in the upper arm and lies underneath the biceps muscle Function-Flexes forearm at the elbow joint

Hand and lower arm muscles #4 Brachioradialis

Location-Muscle between the upper arm and forearm Function-Flexes the forearm

Hand and lower arm muscles #5 Pronator Teres

Location-Located on the palm side of the forearm below the elbow Function-Rotates the forearm palm down

Hand and lower arm muscles #6 Palmaris Longus

Location-Muscle that lies between the flexor carpi ulnaris and flexor carpi radialis Function-Flexes the wrist

Hand and lower arm muscles #7 Flexor Digitorum Profundus

Location-Side muscle in the forearm Function-Flexes the fingers

Hand and lower arm muscles #8 Extensor Digitorum

Location-Muscle that extends from the elbow to the carpals on the back of the forearm Function-Extends the fingers

Hand and lower arm muscles #9 Flexor Carpi Ulnaris

Location-Muscle located above the ulna bone Function-Flexes and moves wrist inward

Hand and lower arm muscles #10 Flexor Carpi Radialis

Location-Muscle located above the radius bone Function-Flexes and moves the wrist outward

Hand and lower arm muscles #11 Extensor Carpi Radialis Longus

Location-Muscle found in the middle of the forearm Function-Extends and abducts the wrist

Leg muscles #1 Tibialis Anterior

Location-Covers the front of the shin Function-Bends the foot upward and inward

Leg muscles #2 Gastrocnemius (calf muscle)

Location-Back of the leg attached to the lower rear surface of the heel Function-Pulls the foot down

Leg muscles #3 Soleus

Location-Originates in the upper portion of the fibula from just below the knee to heel Function-Bends the foot down

Leg muscles #4 Peroneus Longus

Location-Originates in the upper two-thirds of the outer fibula Function-Bends the foot and ankle down and out

Leg muscles #5 Peroneus Brevis

Location-Originates in the lower third of the fibula Function-Bends the foot down and out

Leg muscles #6 Flexor Digitorum Longus

Location-Muscle on the inside of the back of the lower leg Function-Curls the second, third, fourth and fifth toes

Leg muscles #7 Extensor Digitorum Longus

Location-Outside of the lower leg Function-Bends the foot up and extends the toes

Leg muscles #8 Achilles Tendon

Location-Largest tendon in the body, at the back of the leg Function-Joins muscles in the back of the leg and attaches to the bone of the heel

Foot muscles #1 Flexor Digiti Minimi Brevis

Location-Along the base of the small toe Function-Flexes the joint of the small toe

Foot muscles #2 Flexor Digitorum Brevis

Location-Across the ball of the foot beneath the toes Function-Flexes the toes

Foot muscles #3 Abductor Hallucis

Location-Runs along the interior border of the foot Function-Moves the big toe away from the other toes

Foot muscles #4 Abductor Digiti Minimi

Location- Runs along the outside border of the foot and connects to the heel Function-Moves the smallest toe away from the other toes