dynamic constant external resistance training

dy·nam·ic con·stant ex·ter·nal re·sis·tance train·ing

(dī-nam'ik kon'stănt eks-tĕr'năl rĕ-zis'tăns trān'ing)
Resistance training in which external resistance does not change; (e.g., free weights) joint flexion and extension occur with each repetition. Formerly (but incorrectly) referred to as isotonic exercise.
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