Instructions: Choose three to four exercises below. Set a timer for 45 seconds. Perform as many reps as possible in that time ...

Pressing lower back into floor and engaging abs, slowly extend and lower right leg and left arm (overhead) until they nearly touch floor. Slowly move arms forward, until body forms a straight line.

Lie on back with arms extended toward the ceiling in-line with shoulders and legs bent to 90 degrees (knees above hips). Pressing lower back into floor and engaging abs, slowly extend and lower right ...

Under the eye of trainer Amandio Costa, the mum and podcast host pushed through a high-intensity routine built for strength ...

Yet, while the presenter and entrepreneur’s midriff is hard enough to make a woman – or man – half her age weep with envy, it ...

Bored of doing the same old leg curls and Romanian deadlifts? Breathe new life into your leg workouts with these new ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Your obliques are the core ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That's why it pays to dedicate focused training time on your core. You can start with these ab exercises ...

Think of all the stretching exercises you know. Most people can name—or at least picture—some leg, arm and shoulder stretches, but how many abs stretches can you name? I would have struggled to name ...

The problem with classic ab exercises like sit-ups and crunches is that they put your the top portion of your spine (the cervical vertabrae) in flexion. In a world where you spend a good portion of ...