The reverse lunge with a curl works the muscles in your legs and biceps.

Reverse lunge with a curl form cue:

Holding a pair of dumbbells, take a big step back to come into a lunge position. Watch your alignment and make sure your front knee is stacked over your front ankle, and your chest is lifted with a tight core. Step back to starting position, then complete a biceps curl (squeeze your biceps and exhale as you curl. That’s one rep. You can balance on one 

leg as you do your curl and press for an extra challenge. To make it more intense, lift heavier weights. If the compound exercise is too much, break it into pieces.

Head back to the form cue library here.