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Dreaming of a strong, defined core but side planks make you feel wobblier than jelly in an earthquake? You’re not alone. This exercise is a powerhouse for sculpting obliques and boosting stability, if you do it right.
Forget those generic tutorials. Here’s the foolproof method I use to master them without losing my mind:
- Lie on your side on a firm surface (no soft mats), legs straight and stacked. The bottom foot should rest on its outer edge, not the sole.
- Place your elbow right under your shoulder, but don’t “sink” into it. Imagine pushing the floor away to activate the shoulder.
- Lift your hips to form a straight line from ankles to crown. If your hips shake, great! That means you’re challenging your core.
- Don’t leave your free arm hanging. Reach it toward the ceiling or rest your hand on your hip to help balance.
- Take a deep breath before lifting and exhale while holding the position. This helps keep tension out of your neck.
Index
🏋️♀️ Reps and sets
| Level | Sets | Duration/Reps per side | Rest between sets |
| Beginner | 3 | 20-30″ static | 40″ |
| Intermediate | 4 | 45″ static or 8-10 dynamic reps | 30″ |
| Advanced | 4-5 | 60″ static or 12-15 dynamic reps | 20″ |
💪 Muscles worked in side planks
3 side plank variations to become a pro
Progressions for all levels, whether you’re a beginner or advanced, here are the key ones:
1 Side plank with leg raise
- Get into the classic side plank position.
- Keep your core tight and slowly lift the top leg.
- Lower the leg with control without arching your hips.
- Repeat 8-12 times per side before switching.
💡 HSN tip: Focus on squeezing the glute of the lifted leg. If you wobble, lower the height of the raise.
2 Dynamic side plank
- Start in a static side plank.
- Lower your hips toward the floor until almost touching, keeping only your elbow and foot on the ground.
- Push back up using your obliques’ strength to return to the starting position.
- Do 10-15 reps per side.
💡 HSN tip: The hip movement should be very smooth.
3 Side plank with Russian twist
- From the side plank, extend your free arm toward the ceiling.
- Rotate your torso toward the floor, bringing the extended arm under your body (like drawing an arc).
- Return to the starting position and repeat 8-10 times per side.
💡 HSN tip: The twist should come from the obliques, not the shoulders. If you feel neck tension, reduce the range of motion by 20%.
The 3 cardinal sins of this exercise and how to fix them
| Mistake | Fix |
| Tense lower back, body in a “U” shape | Squeeze glutes and obliques like you’re crushing an almond between them. |
| Elbow in wrong position | Imagine a vertical line between your elbow and heel. |
| Staring into space | Focus on an object 2 meters away at eye level. Closing one eye helps. |
| Holding breath or gasping | Inhale for 4 seconds while lifting, exhale for 6 seconds while holding. Repeat like a mantra. |
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