Chapter 4 Flashcards
What is overall physical fitness based on?
Aerobic endurance, muscular strength and endurance, agility, flexibility, and body composition
You should always stretch to what point?
The point of tightness
How long should you hold a stretch for?
15-30 sec
What are light exercises that send warm blood flowing to your muscles?
Warm-ups
How often do you need aerobic exercise?
At least three times a week
The body system that takes in air
Respiratory system
What are aerobics?
Continuous activity without rest
What do aerobics help your body do?
Help your body process large amounts of oxygen
What term refers to the presence of oxygen?
aerobic
What body parts do aerobics strengthen?
heart, lungs, and skeletal muscles
one who is specially trained to exercise another person’s muscles
physical therapists
What is the longest muscle in your body?
sartorius
What muscle do you use when you lock your elbow and raise your arm?
deltoid
Which muscles in your arm do you use when you raise and lower your arm?
biceps and triceps
What does exercise do for muscles?
makes them larger and stronger
