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BOTH 1120
The Muscular System
52
Health Care
Not Applicable
06/13/2011

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Term
abduction
Definition
Moving a body part away from the midline of the body.
Term
adduction
Definition
Moving a body part toward the midline of the body
Term
adduction
Definition
Moving a body part toward the midline of the body
Term
aerobic respiration
Definition
A process that requires large amounts of oxygen and uses the body's store of glucose to make ATP.
Term
antagonist
Definition
A muscle that produces a movement opposite to the prime mover. Also referred to as the agonist.
Term
Aponeurosis
Definition
A tough, sheet-like structure made of fibrous connective tissue. It typically attaches muscles to other muscles.
Term
botulism
Definition
Life threatening type of food poisoning that results from eating improperly canned or preserved foods that have been contaminated with bacterium Clostridium botulinum.
Term
circumduction
Definition
Moving a body part in a circle; for example, moving your arm in a circular motion.
Term
creatine phosphate
Definition
A protein that stores extra phosphate groups.
Term
Depression
Definition
Lowering a body part; for example, lowering your shoulders.
Term
dorsiflexion
Definition
Pointing the toes up.
Term
Elevation
Definition
Lifting a body part; for example, elevating your shoulders as in a shrugging expression
Term
endomysium
Definition
Connective tissue that surrounds the individual muscle cells.
Term
Epimysium
Definition
A thin covering that is just deep to the fascia of a muscle. It surrounds the enitre muscle.
Term
Eversion
Definition
Turning the sole of the foot laterally.
Term
Extension
Definition
Straightening a body part or increasing the angle of a joint.
Term
Fascia
Definition
The structure that covers entire skeletal muscles and separates them from each other.
Term
fascicles
Definition
Sections of a muscle divided by connective tissue called perimysium.
Term
fibromyalgia
Definition
A fairly common condition that results in chronic pain primarily in joints, muscles, and tendons.
Term
Flexion
Definition
Bending a body part or decreasing the angle of a joint.
Term
hyperextension
Definition
Extending a body part past the normal anatomical position.
Term
insertion
Definition
The site of attachment for the more moveable bone during muscle contraction.
Term
intercalated discs
Definition
disk that connects groups of cardiac muscles. This disc allows the fibers in that group to contract and relax together.
Term
Inversion
Definition
Turning the sole of the foot medially.
Term
multiunit smooth muscle
Definition
Found in the iris of the eye and the walls of blood vessels. This muscle contracts in response to neurotransmitters and hormones.
Term
muscle fatigue
Definition
When muscle has lost its ability to contract.
Term
muscle fibers
Definition
Muscle cells that are called fibers because of their long lengths.
Term
Myastehenia gravis
Definition
A condition in which affected persons experience muscle weakness.
Term
myocytes
Definition
Muscle cells; also called muscle fibers.
Term
myoglobin
Definition
The muscle pigment which stores extra oxygen and gives the muscle its pinkish color.
Term
myscular dystrophy
Definition
A group of inherited disorders characterized by muscle weakness and a loss of muscle tissue.
Term
norepinephrine
Definition
A neurotransmitter relased by sympathetic neurons onto organs and glands for fight-or-flight (stressful) situations.
Term
origin
Definition
The site of attachment for the less moveable bone during muscle contraction.
Term
oxygen debt
Definition
When skeletal muscle is used strenuously for several minutes.
Term
Perimysium
Definition
The connective tissue that divides a muscle into sections.
Term
Peristalsis
Definition
A rhythmic contraction that pushes substances through tubes of the body, such as in the lower two-thirds of the esophagus or in the fallopian tubes.
Term
Plantar flexion
Definition
Pointing the toes down.
Term
prime mover
Definition
The muscle which is responsible for most of the movement when a movement uses a group of muscles.
Term
pronation
Definition
Turning the palm of the hand down or lying face down.
Term
Protraction
Definition
Moving a body part anteriorly.
Term
Retraction
Definition
Moving a body part posteriorly.
Term
Rhabdomyolysis
Definition
A condition in which the kidneys have been damaged in relation to serious muscle injuries.
Term
rotation
Definition
twisting a body part; for example, turning your head from side to side.
Term
sphincters
Definition
A valvle-like structure formed from circular bands of muscle. Sphincters are located around various body openings and passages.
Term
supination
Definition
Turning the palm of the hand up or lying face up.
Term
synergists
Definition
The muscles that help the prime mover by stabilizing joints.
Term
Tendon
Definition
A tough, cord-like structure made of fibrous connective tissue that connects muscles to bones.
Term
Tendonitis
Definition
The painful inflammation of a tendon as well as of the tendon-muscle attachment to a bone.
Term
Tetanus
Definition
Commonly known as lockjaw. A disease caused by clostridium tetani living in the soil and water.
Term
torticollis
Definition
Known as wry neck. This disease is a cervical deformity in which the head bends toward the affected side while the chin rotates to the opposite side
Term
Trichinosis
Definition
An infection caused by parasites.
Term
visceral smooth muscle
Definition
A type of smooth muscle containing sheets of muscle cells that closely contact each other.It is found in the walls of hollow organs such as the stomach, intestines, bladder, and uterus.
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