What muscles does the Bent Knee Side Plank work?

The Bent Knee Side Plank primarily targets your obliques, helping strengthen and define your side abdominal muscles. It also engages the abs, shoulders, and glutes for stability, making it an excellent core activation exercise.

Do I need any equipment for the Bent Knee Side Plank?

No equipment is required for the Bent Knee Side Plank it's a bodyweight exercise you can do anywhere. A yoga mat can help provide comfort and reduce pressure on your elbow and knees.

Is the Bent Knee Side Plank suitable for beginners?

Yes, the bent knee variation is beginner-friendly because keeping the knees on the ground reduces the load compared to a full side plank. It’s a great starting point for learning side plank form while building core strength and stability.

What are common mistakes to avoid during a Bent Knee Side Plank?

A common mistake is letting your hips sag, which reduces core engagement and can strain your lower back. Another error is placing the elbow too far from the shoulder keep it directly beneath for proper alignment and support.

How long should I hold the Bent Knee Side Plank for best results?

Aim to hold the position for 20–30 seconds per side to start, focusing on maintaining good form. As your core strength improves, gradually increase hold time or add more sets for greater endurance.

Are there variations to make the Bent Knee Side Plank more challenging?

Yes, you can extend your top leg, add a hip dip movement, or transition to a full side plank for increased difficulty. You can also use a resistance band around the thighs for added glute activation.

What are the benefits of doing Bent Knee Side Planks?

This exercise improves lateral core stability, strengthens your obliques, and supports good posture. It also boosts balance and shoulder endurance, which can help with athletic performance and injury prevention.

Bent Knee Side Plank

Target Muscles

Primary:

Secondary:

Equipment Required

Bodyweight

Exercise Type

Time (Seconds)

How To Do

Lie on your side with knees bent and stacked, and your bottom elbow under your shoulder. Engage your core and lift your hips off the ground, creating a straight line from knees to shoulders while keeping your body stable. Maintain a tight core and avoid letting your hips sag during the hold.

Step-by-Step Instructions

Begin by lying on your side with your knees bent at a 90-degree angle and stacked on top of each other.
Place your bottom elbow directly under your shoulder, ensuring your forearm is flat on the ground for support.
Engage your core muscles and lift your hips off the ground, forming a straight line from your knees to your shoulders.
Keep your top hand resting on your hip or extended upwards for balance.
Hold this position for the desired duration, maintaining a tight core and stable posture.
Slowly lower your hips back to the ground to return to the starting position.
Repeat for the desired number of repetitions or switch sides to work the opposite side.

Explore more obliques exercises or bodyweight exercises in our exercise library.

Alternative Exercises

Side Plank

Obliques

Bodyweight

Lateral Side Plank (Bent Leg)

Obliques

Bodyweight

Dumbbell Side Bend

Obliques

Dumbbell

Kettlebell Advanced Windmill

Obliques

Kettlebell

Frequently Asked Questions

What muscles does the Bent Knee Side Plank work?: The Bent Knee Side Plank primarily targets your obliques, helping strengthen and define your side abdominal muscles. It also engages the abs, shoulders, and glutes for stability, making it an excellent core activation exercise.
Do I need any equipment for the Bent Knee Side Plank?: No equipment is required for the Bent Knee Side Plank it's a bodyweight exercise you can do anywhere. A yoga mat can help provide comfort and reduce pressure on your elbow and knees.
Is the Bent Knee Side Plank suitable for beginners?: Yes, the bent knee variation is beginner-friendly because keeping the knees on the ground reduces the load compared to a full side plank. It’s a great starting point for learning side plank form while building core strength and stability.
What are common mistakes to avoid during a Bent Knee Side Plank?: A common mistake is letting your hips sag, which reduces core engagement and can strain your lower back. Another error is placing the elbow too far from the shoulder keep it directly beneath for proper alignment and support.
How long should I hold the Bent Knee Side Plank for best results?: Aim to hold the position for 20–30 seconds per side to start, focusing on maintaining good form. As your core strength improves, gradually increase hold time or add more sets for greater endurance.
Are there variations to make the Bent Knee Side Plank more challenging?: Yes, you can extend your top leg, add a hip dip movement, or transition to a full side plank for increased difficulty. You can also use a resistance band around the thighs for added glute activation.
What are the benefits of doing Bent Knee Side Planks?: This exercise improves lateral core stability, strengthens your obliques, and supports good posture. It also boosts balance and shoulder endurance, which can help with athletic performance and injury prevention.