The iso hold duck walk in particular felt like my abs were braced within an ... know squats are a great lower-body workout but throw a heavy medicine ball in and a pulse, and your quads and ...

These strength workouts will help you carve out defined abs and improve your strength ... you will need a kettlebell, a ...

This ab workout includes core-strengthening exercises ... Tip: Hold a dumbbell or medicine ball for extra intensity. 4. Side plank with dips Place one elbow directly under your body and press ...

That's why you need the best ab workouts - and a strong core as a whole ... alternating between left and right. A) Lift the ball straight up overhead (not behind you). Keep your back straight ...

We're going to use an ab ball and a floor mat. Make sure you have enough room to spread out. Let's start with a waist crunch. Have a seat on the exercise ... hold onto a medicine ball -- or ...