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Pec Deck Machine Fly

Machine · Isolation · Isolation

Chest Anterior Deltoid

Default prescription & biomechanics

Primary muscles
Chest
Secondary muscles
Anterior Deltoid
Equipment
Machine
Movement pattern
Isolation (Push force)
Difficulty
Beginner
Working rep range
10-15 reps per set
Between-set interval
75 seconds rest
Intensity & MET
Moderate (3.8 MET)

Step-by-step coaching cues

  1. Adjust the seat so your hands are level with the middle of your sternum.
  2. Keep your shoulder blades pinned against the back pad as the arms open.
  3. Drive your elbows and wrists inward rather than flexing the wrists.

Joint & safety considerations

Filtered for Shoulder Impingement sensitivity. When you flag shoulder impingement sensitivity in your WorkoutCard training brief, the AI programme generator automatically substitutes a lower-stress alternative from the relations table below.

Biomechanical alternatives & swaps

Used by the in-app Swap sheet when your equipment is occupied or when adjusting exercise difficulty.

Exercise Relationship Equipment
Band Hip Adduction Bands swap Bands
Barbell Split Snatch Barbell swap Barbell
Bodyweight Muscle Up Bodyweight swap Bodyweight
Brettzel Bodyweight swap Bodyweight
Cable Cross Over Revers Fly Cable swap Cable
Cable Hip Adduction Cable swap Cable

From the WorkoutCard biomechanical library (613 verified movements). For general strength and conditioning education, not medical or physiotherapy advice.