Muscular System Flashcards by Unknown Unknown

What is the Muscular System?

Covers, shapes, and supports the skeletal tissue

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How many muscles does the body have?

630 muscles and it’s 40% of your body’s weight

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How many muscles are of the face?

30 facial muscles

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What are the 3 types of muscle tissue?

Skeletal/voluntary (contract under conscious thought), Smooth/involuntary (not under conscious control), Cardiac/heart (not under conscious control)

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What are the 3 parts of a Skeletal/voluntary muscle?

Origin, belly, insertion

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What does the Origin part of a voluntary muscle do?

Flexes but remains stationary (doesn’t move). Is the more fixed part of muscle closest to skeleton

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What is the Belly part of a voluntary muscle?

Middle part of the muscle

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What is the Insertion part of the muscle?

Part of muscle that is the moveable attachment and furthest from skeleton

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What esthetic treatments can positively influence muscle tissue?

Massage, electrical therapy current, light rays, dry heat, moist heat

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What are the Scalp Muscles?

Frontalis, occipitalis and 2 temporalis on the sides

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What is the Frontalis muscle?

Scalp muscle that raises the eyebrows, draws the scalp forward and causes wrinkles

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What is the Epicranus muscle?

Scalp muscle AKA occipitofrontalis which covers the top of the skull and has two parts (frontalis and occipitalis)

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What is the Occipitalis muscle?

Scalp muscle on back of the epicranius, is the muscle that draws the scalp backward

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What are the muscles of the Eyebrow?

Corrugator, orbicularis oculi, and the levator palpebrae superioris muscle

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What is the Corrugator muscle?

Eyebrow muscle located beneath frontalis and orbicularis oculi. Draws eyebrow down and wrinkles the forehead vertically

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What is the Orbicularis Oculi muscle?

Ring muscle of the eye socket, closes the eyes

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What is the Levator Palpebrae Superioris muscle?

Controls the eyelid and can be easily damaged during makeup application

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What are the muscles of the Nose?

The Procerus and nasalis

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What is the Procures muscle?

Nose muscle which lowers the eyebrows and causes wrinkles across bridge of the nose

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What is the Nasalis muscle?

2 part muscle which covers the nose and includes the transverse part and the alar part which flair the nostrils

What are the Mouth muscles?

The Buccinator, triangularis (depressor anguli oris), mentalis, orbicularis oris, levator anguli oris, risorius, levator labii superioris (quadratus labii superioris) and zygomaticus

What is the Buccinator muscle?

Thin flat muscle of the cheek between the upper and lower jaw that compresses the cheeks and expels air between the lips (blowing a whistle)

What is the Triangularis muscle?

AKA depressor anguli oris. Is the muscle extending alongside the chin that pulls down the corners of the mouth

What is the Mentalis muscle?

Muscle which elevates the lower lip and raises and wrinkles the skin of chin

What is the Oribicularis Oris muscle?

Flat band around the upper and lower lips that compresses, contracts, puckers and wrinkles the lips

What is the Levator Anguli Oris muscle?

Muscles associated with smiling

What is the Risorius muscle?

Muscle which draws the corners of the mouth out and back when grinning

What is the Levator Labii Superioris muscle?

AKA quadratus labii superioris. Muscle associated with lifting the wings of the nose and upper lip

What is the Zygomaticus muscle?

Major and minor are muscles extending from the zygomatic bone to the angle of the mouth that elevates the lip, as in laughing

What are the Mastication muscles?

Masseter and temporalis (chewing muscles)

What is the 3 muscles of the Ear?

Auricularis muscles. Auricularis superior (upward), anterior auricularis (forward), and Auricularis posterior (backward)

What are the Neck muscles?

Platysma and sternocleidomastoid

What is the Platysma muscle?

Neck muscle extending from the chest and shoulder muscles to the side of the chin. Responsible for lowering the lower jaw and lip

What is the Sternocleidomastoid muscle?

(SCM) is the muscle extending alongside of the neck from the ear to the collarbone. Acts to rotate the head from side-side and up-down

What are the muscles that attach the arms to the body?

Latissimus dorsi and pectoralis major/minor

What is the Latissimus Doris muscle?

Muscle that is large, flat, triangular which covers the lower back

What is the Pectoralis Major/minor muscle?

Muscles of the chest that assist swinging movements of the arm

What are the Arm and Shoulder muscles?

Trapezius, biceps, deltoid and triceps

What is the Trapezius muscle?

Muscle that covers the back of neck, shoulders, and upper and middle region of back; shrugs shoulders and stabilizes scapula

What is the Bicep muscle?

Produces the contour of the front and inner side of the upper arm; lifts forearm, flex elbow, and turn palm inwards

What is the Deltoid muscle?

Large triangular muscle covering the shoulder joint that allows the arm to extend outward and to side of body

What is the Tricep muscle?

Large muscle that covers the entire back of the upper arm and extends the forearm

What is Abduction?

Process of separating/spreading fingers apart

What is Adduction?

Process of all fingers together as a whole

What is Flexion?

When muscles move to pull the body part toward the core of the body

What is Extension?

When muscles straighten/extend

What is Pronate?

When muscles turn inward (palm faces downward)

What is Supinate?

When muscles rotate (palm upward)