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Mass and Muscle Contraction

Arnold doing dumbbell curls

I remember putting exercises on the trash heap if they didn’t have the most resistance in the contracted position…

Or I’d try to alter them to make the contracted position harder… [Read more…]

Filed Under: Uncategorized Tagged With: arnold's biceps, contraction, muscle contraction, muscle mass, peak contraction, Steven J. Fleck Ph.D, William J. Kraemer Ph.D

Standing Laterals Blow for Delt Growth (Arnold pics)

Rounder delts can make you look wider and your waist look narrower. That’s two aesthetic reasons to get shoulder training right, especially the side head that’s most responsible for those two effects. [Read more…]

Filed Under: X Files Tagged With: aesthetics, delt exercises, ideal shoulder exercise, resistance curve, shoulder exercises, shoulders, Steven J. Fleck Ph.D, William J. Kraemer Ph.D

Flip On Your Mass Switch

Steve demonstrating incline overhead extensions

Q: In Old Man Young Muscle you have a Base Workout for upper body and one for lower body. Then you have a separate chapter on full-range Positions-of-Flexion [stretch-first] workouts. How often do you switch to that from the Base Workout?

A: First, in all of my workouts I emphasize the ideal exercise for each muscle… [Read more…]

Filed Under: X Files Tagged With: base workout, hypertrophy, mass, motivation, positions of flexion, Steven J. Fleck Ph.D, William J. Kraemer Ph.D

Forgotten Fact About Muscle Growth

Casey Viator doing Nautilus biceps curls

I won’t keep you in suspense: It’s range of motion. But the forgotten fact is why it’s important…

If you’ve ever watched a very lean bodybuilder doing leg extensions—lean enough so you can see fibers firing—you’ll notice twitching “explosions” all over the quad muscles as the lower leg extends and retracts. [Read more…]

Filed Under: X Files Tagged With: arthur jones, Casey Viator, forgotten size concept, muscle fibers, muscle growth, Nautilus, range of motion, Steven J. Fleck Ph.D, William J. Kraemer Ph.D

Only One Key Exercise for Mass?

Jonathan Lawson doing incline dumbbell flyes

Q: I’ve been following your newsletters. Interesting ideas. One question I have is that you talk about emphasizing the ideal exercise for mass for each target muscle, but then say that you follow it with a less efficient one. Why not just do the ideal exercise only for all sets and then move to the next muscle?

A: We’ve found that different exercises can have unique mass-building effects—and research backs that up… [Read more…]

Filed Under: X Files Tagged With: animal study, best exercise, ideal exercise, key exercise, mass building, muscel fiber recruitment, muscle hypertrophy, muscle size, Steven J. Fleck Ph.D, strength gains, William J. Kraemer Ph.D

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