Chest · Cable machine
Cable Decline Fly
The cable decline fly is an isolation exercise designed to target the lower fibers of the pectoralis major using continuous cable tension. It fits best toward the middle or end of a chest workout to exhaust the chest muscles without putting heavy strain on the triceps or front deltoids.
- Muscles
- Chest
- Equipment
- Cable machine
- Type
- Strength
- Animation
- Men and women
How to do it
- Set a decline bench between two low cable pulleys.
- Lie back on the bench and grab the cable handles.
- Start with arms extended above your chest, slight bend in elbows.
- Lower the handles out to your sides in an arc motion, feeling a stretch in your chest.
- Bring the handles back together above your chest.
Common mistakes
- Bending the elbows excessively turns the fly into a press, which diminishes the stretch and takes tension off the chest.
- Lowering the arms too far below the torso level overextends the anterior shoulder capsule, creating unnecessary joint stress.
- Using body momentum to slam the handles together removes mechanical tension from the peak contraction phase.
- Setting the decline bench angle too steep causes excessive blood rushing to the head and shifts tension away from the lower pecs.
Tips
- Maintain a fixed, soft bend in the elbows from the start of the rep to the end.
- Pause for a full second when the handles meet over the lower chest to maximize the peak contraction.
- Control the eccentric phase for two to three seconds to capitalize on the constant cable resistance during the stretch.
Sets and reps
Perform 3 to 4 sets of 10 to 15 repetitions with 60 to 90 seconds of rest. Since this is an isolation movement, prioritize strict tempo and full range of motion over lifting heavy loads.
Muscles worked
Your coach guides every set
Turn on the coach in Gloox: it asks how you feel, picks the weight from your history and cues technique and rest. Rate each set and the next one is tuned to you.
On a computer? Point your phone's camera here to get the app.
Questions
Which part of the chest does the cable decline fly emphasize?
The downward angle and arc trajectory emphasize the sternal and abdominal heads (lower portion) of the pectoralis major. Unlike dumbbells, the cables keep constant tension across the entire range of motion.
What can replace this exercise if a decline bench is not available?
High-to-low standing cable crossovers work the same lower-chest fibers along a similar line of pull. Chest dips on parallel bars with a forward torso lean are also an effective bodyweight alternative.