Forearms
Dumbbell Lying Supination


A slow forearm rotation with a dumbbell, turning the palm from down to up to train the supinator and biceps area.
Energy burned
≈ 17 kcalFor 3 × 8–12, rest 90s · ≈ 2.9 kcal/min
Estimate range 12–21 kcal (±25 %)
Muscle mass worked4 %
Effort during a set4.3 MET
Your lean mass53.5 kgBody fat estimated from BMI and age
Estimate ±25 %: muscles worked (from the exercise data), sets, reps, rest and your body. See the planner for whole sessions.
Setup
- 1Sit sideways at a bench or lie back and rest your forearm on the bench with your hand past the edge.
- 2Hold a light dumbbell near one end with your palm facing down.
- 3Keep your elbow and upper arm still.
How to perform
- 1Slowly rotate your forearm so your palm turns to face up.
- 2Pause at the top with your palm facing the ceiling.
- 3Slowly rotate back to the palm-down position.
- 4Finish all reps, then switch arms.

















