Dumbbell Floor Fly
Dumbbell Floor Fly Exercise Description
The dumbbell floor fly trains horizontal shoulder adduction with you lying supine on the floor. It primarily targets the pectoralis major (sternal and clavicular fibers), with assistance from the anterior deltoid and stabilization from the elbow flexors and scapular stabilizers. Performing the fly on the floor limits shoulder extension at the bottom, helping you control depth while maintaining a neutral spine. Because the elbows cannot drop below the torso, you focus on moving at the glenohumeral joint in a wide arc rather than pressing with the triceps. Keep a soft, consistent bend in the elbows, neutral wrists, and the shoulder blades gently set to create a stable base. This variation is useful for practicing tension through the chest while minimizing excessive range that can occur on a bench.
- Muscle Groups: Chest, Pecs
- Target Muscles: Pectoralis Major - Clavicular Head, Pectoralis Major - Sternal Head
- Assisting Muscles: Deltoid - Anterior
- Stabilizing Muscles: Brachialis, Rhomboid Major, Serratus Anterior, Trapezius - Lower Fibers, Trapezius - Middle Fibers
- Body Area: Upper Body
- Body Parts: Chest
- Body Surface: Front
- Body Symmetry: Bilateral
- Equipment: Dumbbell
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Horizontal Shoulder Adduction, Shoulder Flexors
- Joint Involvement: Single-joint
- Muscle Location: Mid Chest, Upper Chest
- Movement Direction: Other
- Muscle Position: Anterior
- Gender: Female
How To Do The Dumbbell Floor Fly Exercise
‘- Lie on your back with knees bent, feet flat; brace lightly and keep a neutral spine and neck.
– Hold a dumbbell in each hand above mid-chest; palms face each other; wrists straight.
– Gently retract and depress your shoulder blades; keep shoulders away from ears.
– Maintain a soft bend in the elbows (keep this angle throughout the movement).
– Lower the arms in a wide arc until upper arms lightly touch or hover just off the floor—no bounce or rest.
– Keep wrists stacked over elbows; do not let the dumbbells drift behind your head.
– Draw the arms back toward the midline using your chest, stopping with the dumbbells above the shoulders; do not slam them together.
– Throughout: ribs down, avoid excessive low-back arch, and let the shoulder blades move naturally without shrugging.
– To finish, bring dumbbells to your torso, then roll to your side before sitting up.
Dumbbell Floor Fly Tips
‘- Lie with knees bent, feet flat, and brace lightly to maintain a neutral spine and neck.
– Hold the dumbbells above mid-chest with palms facing each other and wrists straight.
– Gently retract and depress your shoulder blades to keep your shoulders away from your ears.
– Keep a soft bend in your elbows and maintain that same angle throughout the movement.
– Lower your arms in a wide arc until your upper arms lightly touch or hover just off the floor, without bouncing or resting.
– Keep your wrists stacked over your elbows and avoid letting the dumbbells drift behind your head.
– Draw your arms back toward the midline using your chest, stopping with the dumbbells above your shoulders without slamming them together.
– Keep your ribs down and avoid excessive low-back arch while letting your shoulder blades move naturally without shrugging.
– To finish, bring the dumbbells to your torso, then roll to your side before sitting up.
Dumbbell Floor Fly Beginner Introduction
The dumbbell floor fly is a chest-focused free-weight movement performed while lying on the back, using the ground as a built-in limiter for range of motion. The chest handles most of the effort, with support from the front shoulders and biceps, while the torso rests steadily on the floor for a grounded, stable feel. The arms travel in a sweeping, hugging pattern out to the sides and back over the body, creating tension through the chest rather than a pressing-style action.
Because the upper arms meet the floor instead of dropping far below the body, shoulder extension stays in a more controlled zone, which encourages a comfortable stretch without excessive depth. A gentle bend in the elbows remains consistent through the movement, so the action centers on the shoulder joint instead of turning into a curl or press. Straight, aligned wrists and lightly anchored shoulder blades promote a solid upper-body base, helping highlight smooth, chest-driven motion throughout each repetition.