Advanced Biology - Muscular System

skeletal muscle

these are muscles for which a person consciously chooses to contract; it is also called a striated muscle.

smooth muscles

these are non-striated muscles under the control of the subconscious regions of the brain; also known as the visceral muscle.

toward

this is the meaning of the prefix ad-.

weakness

this is the meaning of the suffix -anesthenia.

sole of foot

this is the meaning of the prefix -plant/o.

to bring

this is the meaning of the prefix -duct/o.

muscle

this is the meaning of the prefix -myos/o.

400

fill in the blank.

the human body has more than _________ skeletal muscles.

abduction

this muscle action refers to the movement away from the midline of the body.

adduction

this muscle action refers to the movement toward the midline of the body.

flexion

this muscle action refers to the act of bending or being bent.

extension

this muscle action refers to the movement that brings the limbs into or towards a straight condition.

dorsiflexion

this muscle action refers to backward bending, as of hand and foot.

plantar flexion

this muscle action refers to the bending sole of foot; pointing toes downward.

eversion

this muscle action refers to turning outward.

inversion

this muscle action refers to turning inward.

pronation

this muscle action refers to turning downward or backward, as with the hand or foot.

supination

this muscle action refers to turning the palm or foot upward.

elevation

this muscle action refers to raising a body part, as in shrugging the shoulders.

depression

this muscle action refers to the downward movement, as in dropping the shoulders.

circumduction

this muscle action refers to movement in a circular direction from a central point, as if drawing a large, imaginary circle.

opposition

this muscle action refers to moving the thumb away from the palm; the ability to move the thumb into contact with other fingers.

rotation

this muscle action refers to the movement around the central axis.

muscles

these are bundles, sheets, or rings of tissues that produce movement by contracting and pulling on the structures to which they are attached.

little mouse

fill in the blank.

muscle came from the Latin word "mus" or ___________________.

skeletal, smooth, cardiac

these are the three types of muscles.

myoneural junction

this is the point at which the monitor nerve contacts a muscle fiber.

cardiac muscle

this muscle makes up the wall of the heart and involves involuntary contraction.

movement

this is the meaning of the word part kinesi/o.

fibrous band

this is the meaning of the word part fasci/o.

fibers

this is the meaning of the word part fibr/o.

to bend

this is the meaning of the word part flex/o.

stretch out

this is the meaning of the word part extens/o.

to revolve

this is the meaning of the word part rotat/o.

tendon

this is the meaning of the word part ten/o.

to turn

this is the meaning of the word part vers/o.

away from

this is the meaning of the prefix ab-.

around

this is the meaning of the prefix circum-.

outward

this is the meaning of the prefix e-.

action

this is the meaning of the suffix -ion.

movement

this is the meaning of the suffix -kinesia.

tone

this is the meaning of the suffix -tonia.

development

this is the meaning of the suffix -thropic.

origin

this skeletal muscle action refers to the less movable of the two bones and is the starting point of the muscle.

insertion

this skeletal muscle action is the more movable bone and is where the muscle ends.

action

this skeletal muscle action is the type of movement a muscle produces.

antagonistic pairs

fill in the blanks.

muscles are often arranged around joints in __________________ __________ meaning that they produce opposite actions.