Exercise Guide

Dead Bug: Does your lower back arch as you extend your leg?

Keep your lower back in the same position as you extend your leg. Do not let it lift off the floor and arch.

Dead Bug: Does your lower back arch as you extend your leg? video cover

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How to fix it

Lie on your back with your arms raised straight toward the ceiling, and lift your legs with your hips and knees bent at right angles.
Extend your leg while keeping your lower back in the same position.
Return the extended leg to the starting position, then switch to the other leg and alternate.

Caution Keep your pelvis level and stable, without rocking, as you extend your leg and bring it back.

The app sets the reps for your next set

(For exercises you added to your routine yourself) For example, if you are a beginner and completed all 12 reps in each set using your bodyweight as planned in your last workout, the app increases your reps to 13. When you log your sets, GYMKC reads your last set and recalculates the reps for your next set.

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Should you press your lower back into the floor?

Sources differ. Some suggest pressing your lower back into the floor. Others suggest keeping your lower back in a neutral position. Either way, do not let your lower back lift off the floor and arch as you extend your leg.

See this exercise in detail

Dead BugStarting position · Movement · Breathing · Trainer tips · Cautions · Exercise info · Related exercises

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Sources

This article is based on our analysis of public content from evidence-based training experts in Korea and abroad. It is not a substitute for medical advice.