Muscular System Flashcards
the medical term for the calf muscle is?
the gastrocnemius
muscle that are partially contracted at all times are said to be in a constant state of readiness called muscle ____
tone
if a swimmer strains her shoulder during a race, what is the first thing that should be done?
apply ice
muscle ______ occurs if muscle cells are stimulated repeatedly without rest, lactic acid accumulates, and muscles lose the ability to contract
fatigue
what is the inflammation of a tendon called
tendonitis
do muscles produce body heat? (true or false)
true
what ability does the muscle have when it becomes shorter and thicker and causes movement?
contractibility
what kind of muscle forms the walls of the heart?
cardiac muscle
what is the major muscle that lies over the upper ribs?
the pectoralis major
what is the muscle that abducts the upper arm at the shoulder joint?
the deltiod
what type of muscle is voluntary?
skeletal muscle
what muscle is in the neck?
the trapezius and the sternocleidomastoid
which skeletal muscle aids in breathing?
the diaphragm
what condition occurs when your muscles become weak, or decrease in size, because of unuse?
muscle atrophy
circular muscles in the openings between the esophagus and stomach (and anus) are called?
sphincter muscles
what is the main muscle of the lower back?
the latissumus dorsi
a person who lifts weights and overuses their muscles. the overuse can cause the muscles to
hypertrophy
what muscles are found on the dorsal surface of the leg?
the hamstrings
what characteristic allows muscles to return to their original shape when relaxed?
elasticity
what muscles are found in the arm?
biceps, triceps, deltoid, and brachioradialis
what are the main muscles of the back?
the trapezius and the latissimus dorsi
what are the 3 main functions of muscles?
body movement, shape and posture, and body heat/temp
what are the 4 types of muscles?
skeletal, cardiac, smooth, and sphincter muscles
are skeletal muscles voluntary or involuntary?
voluntary
