Fitness Glossary
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One Repetition Max
The greatest amount of weight a person can lift one time in good form.
Open Chain Exercise
Exercise that occurs when the distal segment of an extremity is free, such as performing a knee extension exercise.
Open Skill
One for which the environment is stable and unpredictable.
Osteoporosis
A decrease in bone density.
Overload
Stressing the body or parts of the body to levels above what is normally experienced.
