What it is
A floor core exercise where the legs move while the trunk stays controlled.
Exercise Library
Leg Raise
Track leg raises by reps, knee angle, range, and back comfort.
Target area
Lower abs, hip flexors, and pelvic control.
Why it matters
Leg raises teach beginners how to control the pelvis during trunk training.
Step-by-step instructions
Use these cues for app form guide popups and workout-log reminders.
- 1Lie on the back with hands at the sides or under the hips.
- 2Brace gently and keep the lower back comfortable.
- 3Raise and lower the legs through a range you can control.
- 4Move slowly and avoid swinging.
- 5Stop the set when the back starts arching.
Common mistakes
- Lowering farther than the core can control.
- Swinging the legs.
- Holding the breath.
App-friendly short summary
Track leg raises by reps, knee angle, range, and back comfort.
Easier version
Use bent-knee raises or one-leg-at-a-time lowers.
Harder version
Use straighter legs, slower tempo, or a reverse crunch finish.
Safety notes
- Avoid forcing the lower back flat if it causes discomfort.
- Use smaller range if hip flexors cramp.
- Stop for back pain or pinching.
Beginner terms explained
These definitions match the app form-guide popup language.
Core
The muscles around the trunk and pelvis that help control posture and movement.
Brace
Lightly tighten the midsection as if preparing for a cough while still breathing.
Range of motion
The pain-free distance a joint or body part moves during an exercise.