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Why Chris Bumstead Uses Isometric Holds to Promote Chest and Back Hypertrophy

For seasoned bodybuilders, breaking through plateaus to stimulate new muscle growth can be a persistent challenge. Five-time Classic Physique Olympia champion Chris Bumstead uses an isometric hold technique to add muscle tissue in the off-season.  An isometric hold is the contraction of a muscle group without movement of the surrounding joints. Isometric holds increase time under tension and…