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A person performing rope crunches with incorrect form, leading to excessive lumbar spine compression and potential injury.
Training Theory

Rope Crunches: Challenging Their Effectiveness for Abs

A recent study found that over 60% of gym-goers performing rope crunches exhibit form deviations that significantly increase lumbar spine compression, according to the Journal of Sports Science, 2023.

Hana Kim·May 22, 2026