Lower Arms Exercise · Dumbbell

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Dumbbell Lying Supination On Floor

Doing supination work on the floor keeps the same wrist-rotation target as the bench version, just with a different base of support. It's a simple accessory for forearm and wrist health that most programs skip entirely in favor of bigger, more visible lifts. Slow, deliberate rotation is the whole exercise — rushing through it defeats the purpose.

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Also known as: Db Lying Supination On Floor, Dumbell Lying Supination On Floor

Category

Lower Arms

Equipment

Dumbbell

Target

Forearms

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Exercise reference published by PlanWorkouts; see our editorial standards.

How to Do the Dumbbell Lying Supination On Floor

1. Lie on your back on the floor with your legs straight and your arms by your sides, holding a dumbbell in each hand.
2. Turn your palms to face upward while keeping your elbows close to your sides.
3. Curl the dumbbells toward your shoulders under control, contracting your forearms.
4. Hold briefly at the top, then lower the dumbbells back down under control.
5. Repeat for your target rep goal, keeping your core engaged and avoiding any reliance on momentum.

Technique & Form Tips

Use the movement steps and demonstration for this particular exercise. Match the body position, support points and direction of movement before adding resistance or speed. Holds, cardio movements and lifting exercises need different execution cues.

Common Mistakes to Avoid

• Erratic tempo: Avoid rushing; perform each phase of the movement with deliberate, steady control.
• Copying another exercise setup: Follow this exercise's demonstrated support and body position rather than applying an unrelated lifting cue.
• Losing support: Keep the demonstrated footing, grip or support secure throughout the movement.

How to Breathe During This Exercise

Breathe steadily throughout the movement.

Comfort and Control

Choose a load and range you can control. Stop if the movement causes pain. If discomfort persists, stop and ask a qualified professional about an appropriate exercise and range.

General guidance: Mayo Clinic on weight-training technique. Follow the specific movement steps above for this variation.

Muscles Worked

The Dumbbell Lying Supination On Floor mainly targets your Forearms, with your Biceps helping support the movement, along with your Shoulders.

More Lower Arms Exercises

Band Reverse Wrist Curl Band · Forearms Band Wrist Curl Band · Forearms Barbell Palms Down Wrist Curl Over A Bench Barbell · Forearms Barbell Palms Up Wrist Curl Over A Bench Barbell · Forearms Barbell Revers Wrist Curl V. 2 Barbell · Forearms Barbell Reverse Wrist Curl Barbell · Forearms

More Forearms Exercises

Barbell Standing Back Wrist Curl Barbell · Forearms Barbell Wrist Curl Barbell · Forearms Cable Reverse Wrist Curl Cable · Forearms Cable Standing Back Wrist Curl Cable · Forearms Cable Wrist Curl Cable · Forearms Dumbbell Finger Curls Dumbbell · Forearms

FAQ

What muscles does the Dumbbell Lying Supination On Floor work?

The Dumbbell Lying Supination On Floor mainly works your forearms. It also helps strengthen your biceps and shoulders. Using good, smooth form makes sure you work the right muscles and avoid unnecessary strain on your joints.

What equipment do I need for the Dumbbell Lying Supination On Floor?

You do the Dumbbell Lying Supination On Floor with a dumbbell. Make sure your equipment is set up safely before starting. If you work out at home or have limited gear, check out our alternative exercises below.

What form mistake should I watch for on the Dumbbell Lying Supination On Floor?

One mistake to watch for is erratic tempo: Avoid rushing; perform each phase of the movement with deliberate, steady control.. Use a comfortable range and a controlled return; reduce the load if you cannot maintain the demonstrated setup.

How many sets and reps should I perform on the Dumbbell Lying Supination On Floor?

To tone and grow muscle, do 3 to 4 sets of 10 to 15 smooth reps with 60 seconds of rest, focusing on a full stretch and squeezing the muscle at the top of each rep.