Exercise library / Plank
Isolation · Core
Plank
Plank is an isolation exercise that targets the core directly. The goal is resisting movement: brace your trunk hard and keep your ribs and pelvis locked together for the entire set. Your shoulders assist throughout the movement.
Primary muscles
Core
Secondary muscles
Shoulders
Equipment
Bodyweight
Movement pattern
Core
Type
Isolation (single-joint)
Substitutions
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Side Plank
Same core pattern · also trains the core.
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Ab Wheel Rollout
Same core pattern · also trains the core.
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Hanging Leg Raise
Same core pattern · also trains the core.
Get a plan that programs Plank for you
FitCoach logs what you lift, learns how you progress, and slots Plank into your week at the right volume and load — add FitCoach to Claude and say “plan my week.”
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