Think you know how strong you are? Think again. Instead of measuring strength the old-fashioned way—by lifting heavy things—you can now zap your muscles with an electrical current to discover muscle quality (MQ) and body fat percentage. The Skulpt Aim uses Electrical Impedance Myography, the same tech used to study patients with neuromuscular problems, to figure out how strong and healthy your muscles are. Just place the Aim against moist skin and it can read your MQ (100 is average, higher is better) and body fat percentage in a few seconds. It connects with a smartphone app to give you a full body snapshot, track improvement over time, and recommend exercises based on your weaknesses.