Helps with movement, Supports body posture Produces heat and energy,Protects internal organs,

excitability / irritability

ability to respond to a stimulus. Muscles can be stimulated electrically, mechanically, or chemically.

The ability to shorten and produce movement when stimulated.

The ability to be stretched and lengthen.

The ability to return to its original shape after contracting or stretching.

the ability of muscles to be slightly contracted at all times, allowing a person to be in a state of readiness to act.

forms the walls of the heart. When it contracts, this type of muscle causes the heart to beat to circulate blood.

Visceral (smooth) muscle

found in hollow organs, in the walls of blood vessels, and in the eyes. It contracts to produce movement in these organs.

attached to the bones. It helps produce body movement.

are not controlled by a person’s conscious thought, or will

a person can control their actions.

bands of fibrous tissue attaching muscle to bone

The end of the muscle that is connected to the bone that does not move

The end connected to the bone that moves when the muscle contracts

sheet of tough fibrous tissue that wraps around an individual muscle.

Bending a body part, which decreases the angle of the joint.

Straightening a body part, which increases the angle of the joint.

: Moving a body part away from the midline.

Moving a body part toward the midline.

Turning a body part around on its own axis to produce a circular or semi-circular motion.

a reduction in size and strength of the muscle.

a severe tightening of muscle resulting in permanent bending of a joint.

torn or stretched muscles or tendons.

a group of muscle disorders with chronic pain in specific muscle sites.

a group of inherited diseases in which the muscles gradually atrophy, or waste away.

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muscular system

Question	Answer
muscular system	Helps with movement, Supports body posture Produces heat and energy,Protects internal organs,
excitability / irritability	ability to respond to a stimulus. Muscles can be stimulated electrically, mechanically, or chemically.
Contractability	The ability to shorten and produce movement when stimulated.
Extensibility	The ability to be stretched and lengthen.
Elasticity	The ability to return to its original shape after contracting or stretching.
Muscle tone	the ability of muscles to be slightly contracted at all times, allowing a person to be in a state of readiness to act.
Cardiac muscle	forms the walls of the heart. When it contracts, this type of muscle causes the heart to beat to circulate blood.
Visceral (smooth) muscle	found in hollow organs, in the walls of blood vessels, and in the eyes. It contracts to produce movement in these organs.
Skeletal muscle	attached to the bones. It helps produce body movement.
involuntary	are not controlled by a person’s conscious thought, or will
voluntary	a person can control their actions.
ligaments	attach bone to bone
tendons	bands of fibrous tissue attaching muscle to bone
Origin	The end of the muscle that is connected to the bone that does not move
Insertion	The end connected to the bone that moves when the muscle contracts
Fascia	sheet of tough fibrous tissue that wraps around an individual muscle.
flexion	Bending a body part, which decreases the angle of the joint.
extension	Straightening a body part, which increases the angle of the joint.
abduction	: Moving a body part away from the midline.
adduction	Moving a body part toward the midline.
rotation	Turning a body part around on its own axis to produce a circular or semi-circular motion.
atrophy	a reduction in size and strength of the muscle.
contracture	a severe tightening of muscle resulting in permanent bending of a joint.
muscle strain	torn or stretched muscles or tendons.
fibromyalgia	a group of muscle disorders with chronic pain in specific muscle sites.
muscular dystrophy	a group of inherited diseases in which the muscles gradually atrophy, or waste away.

Created by: mscardenas

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