Lying Leg Hip Raise: Proper Form, Lower Abs Tips & FAQ
Learn the Lying Leg Hip Raise for stronger lower abs, better pelvic control, and cleaner core training with step-by-step form, sets, tips, and FAQs.
Lying Leg Hip Raise
This exercise is useful for building stronger lower abs, improving posterior pelvic tilt, and teaching the core to control the lower spine. It works well in home workouts, ab circuits, bodyweight training plans, and warm-up routines for athletes who need better trunk stability. Since the range of motion is small, quality matters more than height. A clean rep should feel like the pelvis is curling toward the ribs, not like the legs are kicking toward the ceiling.
The Lying Leg Hip Raise is especially effective when you slow down the lowering phase. As the hips return to the floor, the abs must resist the pull of the legs and prevent the lower back from arching. This makes the exercise more than a quick ab pump. It becomes a focused drill for strength, control, and body awareness.
Quick Overview
| Body Part | Abs |
|---|---|
| Primary Muscle | Rectus abdominis, especially the lower abdominal region |
| Secondary Muscle | Hip flexors, obliques, transverse abdominis, and deep core stabilizers |
| Equipment | No equipment required. Optional: exercise mat, ankle weights, or stability support |
| Difficulty | Beginner to intermediate, depending on leg position and tempo |
Sets & Reps (By Goal)
- Beginner core control: 2–3 sets of 8–10 reps with a slow, smooth tempo.
- Lower abs strength: 3–4 sets of 10–15 reps with a clear hip lift at the top.
- Muscle endurance: 3 sets of 15–20 reps while keeping the lower back controlled.
- Ab circuit training: 30–45 seconds per round, paired with planks or dead bugs.
- Advanced control: 3–4 sets of 8–12 reps with a 2-second pause at peak contraction.
Progression rule: First improve control and tempo. Then increase reps. After that, add a longer pause or light ankle weights. Do not progress if your hips are swinging or your lower back is losing contact with the floor.
Setup / Starting Position
- Lie on your back: Use a flat floor or exercise mat. Keep your head, upper back, and arms relaxed.
- Place your arms beside you: Keep your palms down for support. Avoid pushing aggressively with the hands.
- Raise your legs: Bring your legs upward so they are above your hips or slightly angled. You may keep the knees slightly bent if needed.
- Brace your core: Gently pull your ribs down and press your lower back toward the floor.
- Set your pelvis: Think about curling your tailbone slightly upward before the main lift begins.
- Relax your neck: Keep your head on the floor and avoid lifting the chin toward the chest.
If the straight-leg version feels too difficult, bend your knees more. This reduces the lever length and helps you focus on the hip raise instead of fighting the weight of the legs.
Execution (Step-by-Step)
- Start with control: Keep your legs lifted, your core braced, and your lower back gently pressed into the floor.
- Curl the pelvis upward: Use your abs to lift your hips a few inches off the floor. Think about bringing your pelvis toward your ribs.
- Avoid swinging: Do not kick your legs or throw your hips upward. The lift should come from abdominal contraction.
- Pause at the top: Hold briefly when your hips reach the highest clean point. Keep your shoulders and neck relaxed.
- Lower slowly: Roll the pelvis back down with control. Let the spine return to the floor gradually.
- Reset before the next rep: Keep the legs elevated, re-brace the core, and repeat without bouncing.
Pro Tips & Common Mistakes
Pro Tips
- Think “hips up,” not “legs up”: The legs stay mostly vertical while the pelvis curls off the floor.
- Use a small range: A short controlled hip lift targets the abs better than a large uncontrolled swing.
- Exhale during the lift: Breathing out helps the ribs stay down and improves abdominal contraction.
- Control the descent: The lowering phase is where many people lose tension. Move slowly and keep the core engaged.
- Keep the neck neutral: Let your head rest on the floor. Do not strain the neck to watch your legs.
- Bend the knees if needed: A slight knee bend can reduce hip flexor dominance and make the movement cleaner.
Common Mistakes
- Swinging the legs: Momentum reduces abdominal work and can stress the lower back.
- Lifting too high: A high lift is not always better. Stop where you can still control the pelvis.
- Arching the lower back: If the lower back pops up during lowering, reduce the range or bend the knees.
- Pushing hard with the arms: The hands may stabilize you, but they should not become the main driver.
- Rushing reps: Fast reps often turn the exercise into a swing instead of a core drill.
- Holding the breath: Breath-holding can create unnecessary tension. Use steady breathing throughout the set.
FAQ
What muscles does the Lying Leg Hip Raise work?
The Lying Leg Hip Raise mainly works the rectus abdominis, with strong emphasis on the lower abdominal region. It also involves the hip flexors, obliques, transverse abdominis, and deep core stabilizers. The abs should create the pelvic curl, while the legs act as a lever.
Is the Lying Leg Hip Raise the same as a reverse crunch?
It is very similar to a reverse crunch, but the focus can be slightly different. A reverse crunch often uses bent knees and a more compact curl. The Lying Leg Hip Raise usually keeps the legs higher and focuses on lifting the hips off the floor with controlled pelvic movement.
Should my lower back stay on the floor?
Your lower back should stay controlled during the setup and descent. At the top, the lower back may peel slightly off the floor as the pelvis curls upward. However, you should not force a big arch or lose control when lowering.
Why do I feel this exercise in my hip flexors?
Some hip flexor involvement is normal because the legs are elevated. However, if the hip flexors dominate, bend your knees slightly, reduce the range, and focus on curling the pelvis instead of lifting the legs. Slower reps usually help you feel the abs more clearly.
Can beginners do the Lying Leg Hip Raise?
Yes, beginners can do it if they use a controlled range and avoid swinging. Start with bent knees or a smaller hip lift. Once your core control improves, you can straighten the legs more or add a pause at the top.
How many reps should I do?
Most people do well with 8–15 controlled reps per set. If your form breaks before that, stop earlier. Clean reps are more useful than high reps with swinging or lower-back compensation.
Recommended Equipment
- Thick Exercise Mat — provides comfort for the spine and hips during floor-based ab exercises.
- Adjustable Ankle Weights — useful for advanced progression once bodyweight reps are fully controlled.
- Non-Slip Yoga Mat — helps prevent sliding and keeps your setup stable during core work.
- Ab Workout Bench — allows more advanced hip raise and reverse crunch variations.
- Core Sliders — useful for pairing with plank, knee tuck, and lower-ab stability drills.
Choose equipment that supports clean form. For this exercise, a good mat is usually enough. Add resistance only when you can lift and lower the hips without swinging.