Alternating Supported Forearm L-Leg Bent-Leg Switch
The Alternating Supported Forearm L-Leg Bent-Leg Switch mainly works the core. No equipment needed: it uses just your bodyweight.
Optional Equipment

Alternating Supported Forearm L-Leg Bent-Leg Switch Muscles Worked
Primary
Abdominals (rectus abdominis); Hip Flexor (iliopsoas)
Secondary
Deep Core (transverse abdominis)
How to do the Alternating Supported Forearm L-Leg Bent-Leg Switch
Setup
Start by lying on your back on a mat.
Prop yourself up onto your forearms, keeping your elbows directly under your shoulders.
Engage your core to lift your chest slightly, maintaining a stable posture.
Execution
Lift both legs off the ground, keeping them relatively straight but with a slight bend in the knees if necessary for comfort.
Extend one leg high toward the ceiling while lowering the other toward the floor without touching it.
In a smooth, controlled motion, switch the position of your legs by alternating which one is high and which one is low.
Keep your lower back pressed firmly into the mat using your core strength, ensuring your hips remain stable throughout the movement.
Perform the movement with control, focusing on the contraction in your abdomen rather than using momentum.
Alternating Supported Forearm L-Leg Bent-Leg Switch FAQs
What muscles does the Alternating Supported Forearm L-Leg Bent-Leg Switch work?
The Alternating Supported Forearm L-Leg Bent-Leg Switch mainly works the core. The main muscles are the rectus abdominis and iliopsoas.
What equipment do you need for the Alternating Supported Forearm L-Leg Bent-Leg Switch?
None. The Alternating Supported Forearm L-Leg Bent-Leg Switch is a bodyweight exercise, so you can do it anywhere.
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