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  5. Chest
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  7. Dumbbell Alternating Floor Press

Exercise guide

Dumbbell Alternating Floor Press

  • Intermediate
  • Compound
  • Rep-based
  • Chest
  • Shoulders
  • Upper arms
  • Waist

The Dumbbell Alternating Floor Press builds chest and tricep strength while the floor provides a hard stop that protects the shoulders from excessive strain. The alternating pattern challenges core stability and helps correct muscle imbalances between sides.

Reviewed by the Crucible Fit team · Updated June 2026

Watch the Dumbbell Alternating Floor Press demonstrationVideo and instructions for every movement are in the Crucible Fit app.

Muscles worked

Primary

  • Pectorals

Secondary

  • Abs
  • Serratus anterior

Equipment

  • Dumbbell

Setup

  1. Lie flat on your back on the floor with your knees bent and feet planted firmly.
  2. Hold a dumbbell in each hand and press both weights up toward the ceiling to the starting position.
  3. Position your palms facing forward or at a slight 45-degree angle (neutral-ish grip).
  4. Tuck your shoulder blades down and back, pressing them into the floor for stability.

How to do it

  1. Lower one dumbbell slowly until your upper arm lightly touches the floor, keeping the other arm locked out at the top.
  2. Inhale as you lower the weight, maintaining a controlled 2-second eccentric phase.
  3. Exhale and press the weight back to the starting position by contracting your chest and triceps.
  4. Repeat the movement with the opposite arm, alternating sides for the duration of the set.

Form checklist

  • Keep your lower back pressed into the floor to prevent arching.
  • Ensure your wrists stay stacked directly over your elbows throughout the lift.
  • Touch your elbows to the floor gently; do not bounce them off the ground.
  • Keep the non-moving arm fully extended and stable while the other arm works.

Pro tips

  • Drive your heels into the floor to create total-body tension and a more stable pressing platform.
  • At the top of the movement, imagine trying to squeeze your biceps toward your chest to maximize pectoral recruitment.
  • Focus on keeping your ribs tucked to engage the core and prevent the torso from rotating as the weight shifts.

Make it harder

  • Lift your hips into a glute bridge position to increase the demand on your posterior chain and core.
  • Add a 2-second pause when the elbow touches the floor to eliminate all momentum and increase time under tension.

Frequently asked

What muscles does the dumbbell alternating floor press work?
The dumbbell alternating floor press primarily targets the pectorals, and also works the abs and serratus anterior as secondary muscles.
What equipment do you need for the dumbbell alternating floor press?
The dumbbell alternating floor press uses dumbbell.
Is the dumbbell alternating floor press good for beginners?
The dumbbell alternating floor press is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.

Related exercises

  • Air Punches MarchBeginner · calves, pectorals, and quadriceps
  • Alternate Front Kick In Place With Arm CirclesBeginner · abs, calves, deltoids, and pectorals
  • Archer Push-UpAdvanced · pectorals
  • Aztec Push UpIntermediate · pectorals, serratus anterior, and triceps

Train it with Crucible Fit.

Every movement in this library is in the app with video and instructions, ready for your own sessions on the days between Crucibles. Your first Crucible is on us.

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