Fun Facts
The number of muscles in the body
What is >600
3 types of muscle tissue
What is skeletal, smooth, and cardiac
Smooth and skeletal fibers are also called__________ because they both have_________________.
What are muscle fibers and elongated cells
A single muscle fiber
What is a myofibril
Decreased muscle tone due to immobility, nerve damage, or injury
What is atrophy
Latin term 'Mus'
What is "little mouse"
The only voluntary muscle tissue
What is skeletal muscle tissue
Keeps skeletal muscle fibers from ripping
What are connective tissues
Each muscle fiber is enclosed in a delicate connective tissue sheath called _____________________.
What is an endomysium
Another name for the trap
What is trapezius
One thing muscles cannot do.
What is push? (Can only pull!)
Saro=________________
What is flesh
Myosin=_______________ and Actin=_________
What is THICK and THIN
Continuous partial muscle contractions are called_______________.
What is muscle tone
Inner thigh muscles
What are the adductor muscles
The % of body mass taken up by skeletal muscle
What is 40%
Name a benefit of aerobic exercise
strengthen (but not significantly enlarge) skeletal muscles, improve overall metabolism, improve digestion, improve neuromuscular coordination, and strengthen the skeleton
Whats the name of chain of tiny contractile units found inside a muscle fiber
What is a sarcomere
Name 1 function of skeletal muscle
Maintain posture and body position, stabilize joints, and generate heat
Name for the calf muscle
Gastronemius
What is the of ATP to glucose produce during anaerobic glycolysis?
2:1
The hardest working muscle
What is the heart
Outermost layer of muscle fiber covering
What is the epimysium
Smooth and prolonged muscle contractions
What is tetanus
Muscle shapes are classed by_________________
What is shape, size, and direction