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absbeginnerReviewed by Dr. Ananya Iyer, DPT

Standard Forearm Plank

Isometric core stability foundational for preventing spinal disc injuries.

Recommended Sets3 Sets
Rep Range45–60 sec hold Reps
Rest Period45s Rest
Equipmentbodyweight

3D Visual Form & Technique Demonstration

Biomechanically verified form execution and joint angle cues.

Official Video Tutorial · 3D Biomechanics & Form DemonstrationWatch on YouTube
How to Execute the Standard Forearm Plank

Rest on forearms and toes, elbows under shoulders. Tuck tailbone, squeeze glutes, pull belly button in.

  • Primary Muscle: ABS
  • Secondary Synergists: SHOULDERS, GLUTES
  • Rest Interval: 45 seconds between sets

Standard Forearm Plank Anatomy Activation

Primary motor unit recruitment for abs with secondary synergist stabilizers.

Primary (abs)
Secondary Synergists
Anterior (Front View)
Anterior Muscle Recruitment: absFront anatomical silhouette highlighting abs in orange as active agonist.
● Primary Target View
Posterior (Back View)
Posterior Muscle Recruitment: absBack anatomical silhouette highlighting abs in orange as active agonist.
Secondary / Stabilizer View
Anatomical PlaneSagittal & Transverse Planes
Primary KinesiologySpinal Flexion & Anti-Rotation
Biomechanical VectorCompressive intra-abdominal stabilization
Active Anatomy:Primary: absSynergist: shouldersSynergist: glutes
Figure: Biomechanical muscle recruitment model for abs. Highlighted in orange is the primary agonist motor unit; highlighted in blue are synergistic stabilizing groups (shoulders, glutes).

Step-by-Step Execution Guide

1

Rest on forearms and toes, elbows under shoulders.

2

Tuck tailbone, squeeze glutes, pull belly button in.

3

Maintain rigid straight line from head to heels.

Common Mistakes & Form Fixes

Hips sagging towards floor.

Piking hips into the air.

Biomechanical Safety & Injury Warning

Breathe normally; do not hold breath.

Alternative Exercises & Swaps

If the equipment is occupied or you need a joint-friendly variation, substitute with these approved movements:

Ab Wheel Rolloutabs
View Form
Side Plankabs
View Form
Rohan Varma, CSCS
Authored By
Rohan Varma, CSCSHead Strength Coach & Biomechanics Lead
Dr. Ananya Iyer, DPT
Medically Reviewed By
Dr. Ananya Iyer, DPTChief Medical & Biomechanics Reviewer
Last Reviewed & Verified: 2026-03-29
Read our Medical Fact-Checking Standards
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