Reverse Crunch I
The reverse crunch I is a bodyweight core exercise that targets the lower abs through a hip curl movement. It is a beginner variation with a standard bent-knee position and controlled hip lift, focusing on developing lower abdominal strength and body awareness.
Sådan gør du
- Læg dig på ryggen med hænderne fladt mod gulvet langs siderne.
- Træk knæene mod brystet med bøjede ben.
- Løft hofterne fra gulvet mod brystkassen i en kontrolleret bevægelse.
- Sænk hofterne langsomt tilbage til gulvet.
- Gentag for det ønskede antal gentagelser.
Teknik-tips
- Press your lower back flat into the floor.
- Keep your knees bent at a comfortable 90-degree angle.
- Exhale as you lift your hips toward your ribcage.
- Lower your hips slowly without letting them slam down.
Vejrtrækning: Exhale deeply as you curl your hips up toward your chest, and inhale as you lower them back to the floor in a controlled manner.
Almindelige fejl
- Using momentum to swing the legs up, which reduces the work done by the lower abs.
- Arching the lower back away from the floor, which can strain the lower back muscles.
- Rushing the descent, missing out on valuable time under tension for the core.
Aktiverede muskler
Primære: mavemuskler. Sekundære: hoftebøjere, lænd.
Foreslåede sæt og gentagelser
Kom i bedre form
3 sets × 10–12 reps, rest 60 s
Tab dig
3 sets × 12–15 reps, rest 45 s
Opbyg muskelmasse
3–4 sets × 10–12 reps, rest 60 s
Lettere, sværere og alternativer
Gør den sværere
Pas på, hvis…
- If you feel sharp or unusual discomfort in your lower back, ease off and choose a gentler movement.
Generel uddannelsesmæssig vejledning, ikke medicinsk rådgivning. Stop ved skarp smerte, og konsulter en fagperson, hvis du er i tvivl.
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Should I feel this in my lower back?
No, you should feel your lower abs working. If your lower back arches or aches, try keeping your lower back pressed firmly into the floor and reduce the range of motion.
How many times a week can I do reverse crunches?
2 to 3 times a week is plenty for most beginners to allow the abdominal muscles adequate recovery.
Do I need any equipment for this exercise?
No equipment is needed. Just a comfortable flat surface or an exercise mat is enough.