Gym lore says that rep range determines whether you'll build strength, muscle, or endurance. However, load, speed, and "time under tension" are actually more important than the number of reps. Your ...

Here's what this means for your next workout.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE WORST THING you can do in the gym? Go through the motions. Use the same weight for the same number of ...

Strength training offers a range of benefits, experts say. Here's how to start.

Break out beyond the standard 3 sets of 10 to unlock your training potential ...

“Isometrics are a powerful training tool, especially for runners,” says Speer. “Holding positions for 30 to 60 seconds, such as lunges and single-leg balances help strengthen muscles, connective ...

Resistance training strengthens your joints, bones, ligaments and muscles against injury and age-related conditions; these ...

Everything you need to know about fitting strength workouts into your half training, so you’re strong and injury-proof come ...

Add Yahoo as a preferred source to see more of our stories on Google. SO YOU'VE DECIDED it's time to get in shape and start lifting weights. That's great—taking the first step and making a choice to ...

Crunch test after 55 from MA, CSCS Jarrod Nobbe. Get score ranges, form cues, and tips to boost reps safely.