Willis recommends runnning these exercises "circuit-style," doing 40 seconds on, 20 seconds off. "Three rounds if you're ...

Each one targets key muscles while offering a unique twist to the standard lunge ... Step back into a reverse lunge with your ...

Twist torso to swing right hand toward sky ... Drive through heels to return to start, then step back with right foot into a reverse lunge until knee is one inch off the ground.