Machine Fly

Exercise / Chest

Machine Fly Overview

The Machine Fly is an isolation exercise that targets the pectoralis major muscles, particularly the middle and lower portions of the chest. Using a machine provides a controlled range of motion, making it a popular choice for beginners and experienced lifters looking to isolate and build their chest muscles.

How to Perform the Machine Fly

10301301 Lever Pec Deck Fly Chest 720

Setup

  1. Adjust the seat height so the handles are at chest level.
  2. Sit on the machine with your back firmly pressed against the pad.
  3. Grasp the handles or pads with a neutral grip (palms facing inward).
  4. Position your arms bent at the elbows (maintain this bend throughout the exercise).

Execution

  1. Exhale as you bring the handles or pads together in front of your chest in a smooth, controlled motion.
  2. Squeeze your chest muscles at the peak of the movement for a brief pause.
  3. Inhale as you slowly return to the starting position, feeling a stretch in your chest.
  4. Repeat for the desired number of repetitions.

Tips for Effectiveness

  • Squeeze at the Top: Focus on contracting your chest muscles when bringing the handles together.
  • Moderate Weight: Use a weight that allows proper form for all repetitions without sacrificing control.
  • Progressive Overload: Gradually increase weight or repetitions to continue building strength and size.
  • Combine with Compound Exercises: Pair with presses and dips for a well-rounded chest workout.

Common Mistakes

  • Locking Out the Elbows: Keep a bend in your elbows to avoid unnecessary joint strain.
  • Overstretching: Avoid lowering the arms too far back, which can strain the shoulders.
  • Using Momentum: Perform the movement slowly to keep the tension on the chest muscles.
  • Incorrect Seat Height: Adjust the seat to align the handles with the middle of your chest.

Benefits Of Machine Fly

  1. Chest Isolation: Focuses entirely on the chest muscles without significant involvement from other muscle groups, making it ideal for hypertrophy (muscle growth).
  2. Safe and Controlled Movement: The machine guides your range of motion, reducing the risk of injury and making it accessible for beginners.
  3. Improved Chest Definition: Great for sculpting and defining the chest when included in a comprehensive training program.
  4. Muscle Stretch and Contraction: Allows for a deep stretch at the start and a full contraction at the end, maximizing muscle engagement.
  5. Joint-Friendly Exercise: The seated position and guided path reduce stress on the shoulders compared to free-weight fly exercises.

Machine Fly Muscles Worked

Target - Pectoralis Major, Sternal
Synergists - Pectoralis Major, Clavicular
Synergists - Biceps Brachii
Synergists - Serratus Anterior
Bench Press Muscle work