Plie Squat with Rotated Bicep Curl
A. Stand with feet slightly wider than your hips, toes facing out, knees facing the same direction as the toes. Arms are hanging by sides with dumbbells (Weight: 5-8 lbs. dumbbells).
B. Bend both knees, lowering hips, keeping back straight and tall and bracing the abs. At the same time, bend elbows, lifting dumbbell to face shoulder at the top of the move. Repeat for 1 minute.
Muscles involved: Abdominal, biceps, butt, hamstrings, legs
Let me know once you've tried it. Great compound exercise!