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Suspension Trainer Atomic Push-Up With Crunch

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A compound suspension trainer exercise combining a push-up and knee tuck to target the chest, shoulders, and core for full-body strength and stability.

About Exercise

Equipment

Difficulty

4/5 • Advanced

Primary Muscle Groups

Chest, Abs

Secondary Muscles

Lower Back, Glutes

Popularity Score

6

Goals

Strength
Stability
Conditioning

Training Style

Functional Training
Calisthenics

Setup Requirements

Requires Rack

No

Requires Bench

No

Requires Spotter

No

Space Needed

Medium

Noise Level

Low

Muscle Breakdown

Chest

9/10

Mid Chest

Abs

8/10

Rectus Abdominis

Shoulders

7/10

Anterior Delts

Hip Flexors

7/10

Iliopsoas

Triceps

6/10

Lateral Head, Medial Head

Obliques

6/10

External Obliques

Lower Back

4/10

Erector Spinae

Glutes

3/10

Glute Max

Programming

Typical Rep Range

6-12 reps

Rest Between Sets

60-90 seconds

How to Perform

Secure the suspension trainer overhead and place feet in the foot cradles. Assume a high plank position with hands under shoulders and body in a straight line.

  1. Lower chest toward the floor by bending elbows while maintaining a rigid plank.
  2. Press back up to the starting high plank position.
  3. Immediately pull knees toward the chest, lifting hips slightly to engage the core.
  4. Extend legs back to the starting plank position with control.

Coaching Tips

Form Cues

  • Keep core braced
  • Don't let hips sag
  • Elbows at 45 degrees
  • Move as one unit

Breathing

Inhale as you lower into the push-up, exhale as you press up and tuck knees in.

Tempo

2-1-1

Range of Motion

Chest to handle height at the bottom; knees to elbows during the crunch.

Safety

Safety Notes

  • Ensure anchor point is secure
  • Stop if you feel lower back pain
  • Maintain wrist neutrality

Spotting

Not recommended; use safeties or regress to floor version if failing.

Common Mistakes

  • Sagging lower back
  • Piking hips too high
  • Incomplete extension
  • Rushing the movement

When to Avoid

  • Shoulder impingement
  • Lower back strain
  • Wrist issues

Flexibility Needed

  • Full shoulder flexion
  • Hip flexion range

Build Up First

  • Master basic push-up
  • Proficient TRX plank
  • Knee tuck competency

Also known as

TRX Atomic Push-Up, Suspension Atomic Crunch, TRX Knee Tuck Push-Up, Atomic Push-Up, Suspension Push-Up to Crunch

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