Tyler Robbins Fitness

B.Sc. Biochemistry, Certified Strength and Conditioning Specialist (CSCS), Certified CrossFit Trainer (CCFT/CF-L3), USA Weightlifting Level 1

Filtering by Tag: Eccentric Upper

P90X3 Eccentric Upper Coaching, Advice, and Complete Review

Welcome to Phase 2 of the P90X3 Classic Schedule. "Eccentric" means muscle lengthening, so for example, lowering yourself from your chin-up bar under control. This routine uses a 3 count eccentric action with an explosive concentric muscle contraction (muscle shortening). Your muscles are stronger during eccentric movements, so it is a great way to increase "time under tension" to improve strength, durability, and hypertrophy!

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