← All exercises

Crunch (Straight Leg Up) Alternative

12 substitute exercises that target the same muscles

1
RKC Plank demonstration

RKC Plank
2
Body Saw Plank demonstration

Body Saw Plank
3
Rolling Bridge demonstration

Rolling Bridge
4
Incline Twisting Sit-Up demonstration

Incline Twisting Sit-Up
5
Abdominal Stretch demonstration

Abdominal Stretch
6
Spider Plank demonstration

Spider Plank
7
Elevated Cycling demonstration

Elevated Cycling
8
Air Bike demonstration

Air Bike
9
Side Plank Rotation demonstration

Side Plank Rotation
10
V Sit Cross Punch demonstration

V Sit Cross Punch
11
Mountain Climbers Shoulder Tap demonstration

Mountain Climbers Shoulder Tap
12
Arms Apart Circular Toe Touch demonstration

Arms Apart Circular Toe Touch

Criteria used to find exercise alternatives

Same target muscles

We rank alternatives highest when their primary muscles exactly match. i.e: same target muscle, different movement.

Full muscle overlap

Secondary muscles and synergists are scored too, keeping the overall movement pattern close to the original lift.

Equipment considered

Equipment overlap nudges similar-kit options up the list. But we include different-equipment alternatives too so you're never stuck.

What the Crunch (Straight Leg Up) trains

Primary Rectus Abdominis

Secondary Obliques

Your Best Workout Starts Here

Download Free on the App Store. No account needed. Works offline.

Download on the App Store

@2026. All Right Reserved.