Reviewed exercise · beginner

Controlled Bicycle Crunch

A accessory isolation movement for core.

Equipment

bodyweight

Typical range

10–30 reps

Also trains

No secondary emphasis listed

Set up

Set up in a clear space and inspect every contact point before starting.

Execute

Rotate the rib cage toward the opposite knee with a slow leg switch and relaxed neck.

Complete the final repetition with the same controlled range, then exit the position safely.

Coaching cues

• Turn from the torso.
• Use a repeatable, pain-free range.

Common mistakes

• Pulling the head or moving too quickly.
• Continuing after position, control, or equipment security is lost.

Modify or stop when relevant discomfort is reported. Educational content does not diagnose injury.