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Rotator cuff work keeps your shoulders healthy. Coach Tumminello discusses why a popular exercise doesn't do the trick and shows you a better one.

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Tip: Age Makes No Difference in Recovery Rates

Science shows that recovery rates stay fairly consistent in the young and old(er). Take a look.

Tip: The Strength Vitamin

Most athletes have low levels of this vitamin. And only one type of it will keep your strength gains coming. Here's the science.

Overhead-barbell-wrist-roller

Tip: Overhead Barbell Wrist Roller

The bench press and the overhead press require strong forearms and stable wrists. This bodyweight exercise helps with both.

Tip: Should You Do a Show?

Ready to get nearly naked and step onto the competitive stage? Probably not. Here's why.

Touch-and-go-box-squat

Tip: The Touch-and-Go Box Squat

Unlike the regular box squat, this variation has you tapping the box with your glutes, but not sitting, keeping the hip extensors engaged.

Banded-supine-row

Tip: Banded Supine Row

Improve your form and movement mechanics on all rowing exercises with this teaching exercise. Bonus: It boosts your bench press by teaching you lat engagement.

Tip: Fitness Gone Too Far

When does lifting, dieting, and competition go from healthy to detrimental? Well, here are a few signs.

Fix-your-power-clean-with-altitude-landings

Tip: Fix Your Power Clean with Altitude Landings

Here's how to use altitude landings to find the right stance for the power clean and perfect your form.

Supine-stir-the-pot

Tip: Supine Stir the Pot

This spine-friendly variation of the stir-the-pot exercise (normally done on a stability ball) fires up those deep core muscles often missed by most ab exercises.

Tip: The Law of Metabolic Efficiency

When it comes to macronutrients, not all calories are created equal. Here's why.

Tip: The Most Complete Biceps Exercise

This curl variation nails every fiber of the biceps in one movement. Check it out.

Tip: Should You Auto-Regulate Your Training?

What's best, sticking to your program no matter what, or mixing it up based on how you feel that day? Here's what science says.

Tip: Eat Your Whole Grains, Paleo People!

It turns out that whole grains are hugely anti-inflammatory. Here's the science.

Tip: Young vs. Old: Who Wins?

A surprising study looks at the recovery rates of 20-somethings vs. 40-somethings.

Shoulder-rotations-on-the-trx

Tip: Shoulder Rotations on the TRX

Warm up your shoulders and keep them mobile with this drill. Walk your feet out or elevate them to increase the challenge.

Split-stance-one-arm-dumbbell-press

Tip: Split-Stance One-Arm Dumbbell Press

Build head-to-toe stability and balance along with strong, muscular shoulders. Do 3-4 sets of 8-12 reps with a slow tempo.

Tip: Attack the Bar Violently

Build strength and set new personal records using compensatory acceleration training. Here's how.

Band_dislocates_with_wrap-arounds

Tip: Band Dislocates with Wrap-Arounds

Regular dislocates are popular for warming-up. Add two wrap-arounds to get the most benefits. Here's how.

Iso-dynamic-lateral-raise

Tip: Iso-Dynamic Lateral Raise

This is challenging, and it'll trigger new shoulder growth by increasing the time under tension.

3_jumps_for_an_explosive_squat

Tip: 3 Jumps for an Explosive Squat

Accelerate through your sticking points. Master these three jumps.

Tip: Machines for Functional Fitness?

Sure, free weights are generally better, but not for everything. Even CrossFitters can benefit from them. Here's how.

Tip: Mass Gain 101

Here's the smart way to adjust your diet and your training for your next bulking phase.

Pistol-squat-hold-with-leg-exchange

Tip: Pistol Squat Hold with Leg Exchange

Already good at pistol squats? Showoff. Now try this advanced variation.

Tip: Skinny Guys with Fat Guy Problems

Those naturally lean guys who can eat anything without getting fat are still at risk of killer diseases. Here's the common food that's causing it.