Glossary
Chapter 9

Ballistic stretching	Exercises done with jerky, rapid, bouncy movements.
Controlled ballistic stretching	Exercises done with slow, short, and sustained movements.
Eccentric	Lengthening of a muscle during muscle contraction.
Elastic elongation	Temporary lengthening of soft tissue.
Flexibility	The ability of a joint to move freely through its full range of motion.
Power	The ability to produce maximum force in the shortest time.
Proprioceptive neuromuscular facilitation (PNF)	Stretching technique in which muscles are stretched out sequentially with intermittent isometric contractions.
Proteins	Complex organic compounds containing nitrogen and formed by combinations of amino acids; the main substances used in the body to build and repair tissues.
Repetitions	Number of times a given stretch is performed.
Slow-sustained stretching	Exercises in which the muscles are lengthened gradually through a joint’s complete range of motion.
Stretching	Moving the joints beyond the accustomed range of motion.
Subluxation	Partial dislocation of a joint.

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