Think you're strong? Put your muscles to the test with this 60-second challenge. Find out if you have what it takes to hold ...

For a full-body workout, try the plank walk-down. Begin in a high plank position, then lower one arm at a time into a forearm plank before pressing back up to the starting point. Alternate the ...

Start in a high plank position (on knees or toes). Lower down, one arm at a time, into a forearm plank, keeping elbows under shoulders. Reverse the movement to return to high plank. That's 1 rep.

"I encourage incorporating your arm exercises with some full body work as well to train ... Plank walk-ups are a progression of your standard forearm plank. "I love this exercise because you ...

reaching one arm up for 30 seconds to target obliques and improve balance. Similar to plank to T, this variation starts from a forearm plank and rotates into a side plank for core strength and ...

Tired of stubborn belly fat? These seven daily exercises will help shrink your muffin top and tone your waistline.

This is the workout: 10 partial single-arm sit-ups 15 leg lifts Side plank (on forearm) with dumbbell reach 15 reverse crunches 30-second forearm plank with dumbbell pull-through If these ...