
Dumbbell Lying Supination on Floor
- Zielmuskel
- —
- Equipment
- Dumbbell
- Körperregion
- Forearms
- Typ
- Strength
The dumbbell lying supination on floor is an isolation exercise for the forearms, training the supinator muscles that rotate your palm from facing down to facing up. Performed lying on the floor with your forearm supported, it loads the rotation directly through a dumbbell and is useful for building forearm strength, grip rotation, and wrist health.
Dumbbell Lying Supination on Floor: So führst du sie aus
- 1Lie on your side or back on the floor and rest the working forearm flat against the ground so your wrist hangs just past the edge of your support.
- 2Hold a light dumbbell with your palm facing down (pronated), letting the weight load one end of the handle.
- 3Keep your forearm pressed to the floor so only your wrist moves throughout the set.
- 4Slowly rotate your hand outward, turning your palm from facing down toward facing up against the dumbbell's resistance.
- 5Pause briefly at the top once your palm faces up and you feel the forearm supinators working.
- 6Lower the dumbbell back to the starting palm-down position under control, resisting the weight the whole way.
- 7Complete your reps, then switch to the other arm and repeat.
Technik-Tipps
- Use a light dumbbell — the supinators are small muscles and respond better to controlled reps than to heavy weight.
- Move only at the wrist; keep your upper arm and forearm still so the rotation isolates the forearm.
- Control the lowering phase rather than letting the weight drop, since the lengthening contraction builds strength and protects the wrist.
- Train both arms evenly to keep your forearm rotation balanced from side to side.
Häufige Fehler
- Using too heavy a dumbbell, which forces the elbow and shoulder to help and takes tension off the forearm supinators.
- Letting the forearm lift off the floor, which turns the movement into a curl and removes the rotation stimulus.
- Rushing the reps and swinging the weight, which uses momentum instead of muscle and stresses the wrist.
- Only rotating partway, which shortens the range and trains the supinators through an incomplete arc.
Häufig gestellte Fragen
What muscles does the dumbbell lying supination on floor work?
It trains the supinator muscles of the forearm — the ones that rotate your palm from facing down to facing up. It is an isolation movement for the forearms rather than a compound lift.
How heavy should the dumbbell be?
Start light. The forearm supinators are small and the leverage is long, so a light dumbbell with controlled, full-range reps works better than heavy weight that recruits the arm.
Is this exercise good for beginners?
Yes. It is a simple, low-load isolation movement that helps beginners build forearm and wrist strength, as long as you keep the forearm supported and the weight light.
How many sets and reps should I do?
Because it targets small muscles, higher reps work well — try 2 to 3 sets of 12 to 20 controlled reps per arm, stopping before your form breaks down.
Where should I feel this exercise?
You should feel it along the top of your forearm as you rotate the palm upward. If you feel it mainly in the elbow or shoulder, the weight is too heavy or your forearm is lifting off the floor.







