exercise of relatively long duration, using large muscle groups, that does not require more oxygen than can be inhaled.
anaerobic exercise
exercise of short duration that requires more oxygen than can be inhaled.
aqua dynamics
a program consisting of structured exercises conducted in limited water areas.
endorphins
brain neurotransmitters that decrease pain and produce feelings of well-being.
physical fitness
ability to do one's work and have energy remaining for recreational activities. Consists of muscular strength, muscular endurance, cardiorespiratory endurance, flexibility, body composition, and agility.
