A trainer outlines how to perform five of his best strength workouts to fire up your core and build six-pack abs.

Here is an advanced workout that mixes high-repetition calisthenics with sandbags to make these exercises and running a little more challenging. Warm-up with the full-body half pyramid/jog routine ...

Start by lying on your back, with your lower back pressed into the mat. Place your hands behind your head. Engage your core ...

Core training makes you a better athlete in just about any strength ... Lie with your back on the ground and you knees bent upwards. Hold a sandbag up above you with both extended arms and crunch ...

Sit on the floor with your legs bent and feet flat on the ground. Extend your right leg, keeping your inner thighs pressed ...

You’re probably no stranger to lifting, carrying and sprinting during high-pressure situations. But Spartan and Tough Mudder ...

The Pallofpress is an anti-rotation exercise that strengthens your obliques as you need to resist your torso twisting towards ...

Recommended exercises include deadlifts, sled pushes, sandbag lifts ... hamstrings, and core. Burpees are a full-body exercise that can build muscle in the legs, shoulders, and core.

When it comes to leg workouts ... ankle and hip mobility. Your core will be firing off to keep you upright and your back safe, too. Place a sandbag behind your neck and hold it with both hands.

Here are the top 25 lower abs workout moves for strength and definition. Strengthen your core and get your six-pack shredded. When it comes to sculpting the six pack of your dreams, it’s not as ...

Aim to include some version of squats, weighted carries, and sandbag or stone lifts in your regular workouts to build full-body muscle and strength as well as a rock-solid core. Squats are a ...