Muscular System

Front 1

Muscle Tissue Fibers

Back 1

The bundles of muscle tissue that forms a muscle.

Front 2

Myoneural Junction

Back 2

The point at which a nerve contacts a muscle fiber

Front 3

Adductor Longus

Back 3

A leg muscle named for the direction the fibers pull. This muscle contracts to adduct or pull the leg in toward the midline.

Front 4

Biceps

Back 4

An arm muscle named for the number of attachment points.

Front 5

Cardiac Muscle

Back 5

The involuntary muscle found in the heart.

Front 6

Fascia

Back 6

Connective tissue that wraps muscles. It tapers at each end of a skeletal muscle to form tendons.

Front 7

Gluteus Maximus

Back 7

A muscle named for its size and location: rump area and large

Front 8

Myocardium

Back 8

The middle layer of the muscle. It is thick and composed of cardiac muscle. This layer produces the heart contraction.

Front 9

Rectus Abdominis

Back 9

A muscle named for it location and the direction of its fibers: means straight/abdominal

Front 10

Tendon

Back 10

The strong connective tissue cords that attach skeletal muscles to bones.

Front 11

Action

Back 11

The type of movement a muscle produces.

Front 12

Antagonistic Pairs

Back 12

Pair of muscles arranged around a joint that produce opposites actions.

Front 13

Insertion

Back 13

The attachment of a skeletal muscle to the more movable bone in the joint.

Front 14

Origin

Back 14

The attachment of a skeletal muscle to the less movable bone in the joint.

Front 15

Abduction

Back 15

Movement away from midline of the body

Front 16

Adduction

Back 16

Movement toward midline of the body

Front 17

Flexion

Back 17

Act of bending or being bent

Front 18

Extension

Back 18

Movement that brings limb into or toward a straight condition

Front 19

Dorsiflexion

Back 19

Backward bending, as of hand or foot

Front 20

Plantar Flexion

Back 20

Bending sole of foot; pointing toes downward

Front 21

Eversion

Back 21

Turning outward

Front 22

Inversion

Back 22

Turning inward

Front 23

Pronation

Back 23

To turn downward or backward as with the hand or foot

Front 24

Supination

Back 24

Turning the palm or foot upward

Front 25

Elevation

Back 25

To raise a body part, as in shrugging the shoulders

Front 26

Depression

Back 26

A downward movement, as in drooping the shoulders

Front 27

Circumduction

Back 27

Movement in a circular direction from a central point.

Front 28

Opposition

Back 28

Moving thumb away from pain; the ability to move the thumb into contact with the other fingers

Front 29

Rotation

Back 29

Moving around a central axis