CORE · COMPOUND
TRX Knee Tuck
A suspension core movement drawing the knees toward the chest.
Primary musclesCore
Secondary musclesHip flexors, Shoulders
EquipmentSuspension trainer
DifficultyIntermediate · Hip Flexion
How to perform
- Start in a plank with feet in the straps.
- Pull the knees toward the chest while keeping the shoulders stacked.
- Extend the legs back to plank under control.
Tips
- Control the movement and use a range you can repeat consistently.
- Choose a load or variation that lets you keep the core as the intended focus.
Common mistakes
- Using more load or speed than you can control.
- Losing stable body position during the difficult portion.
Watch how to perform it
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