Alternating Single-Leg Arm Bent-Knee Sit-Up Under
UpdatedThe Alternating Single-Leg Arm Bent-Knee Sit-Up Under mainly works the core. No equipment needed: it uses just your bodyweight.
Optional Equipment
Alternating Single-Leg Arm Bent-Knee Sit-Up Under Muscles Worked
Primary
Abdominals (rectus abdominis)
Secondary
Obliques; Hip Flexor (iliopsoas)
How to do the Alternating Single-Leg Arm Bent-Knee Sit-Up Under
Starting Position
Lie flat on your back on a yoga mat with your legs fully extended and your arms overhead, resting on the floor.
Execution
Core Engagement: Simultaneously lift your torso and one leg off the mat by contracting your core muscles.
Movement: Bring your torso upright while bringing your knee toward your chest. Keep your upper body engaged.
Flexion: Briefly hold the position at the top, ensuring your balance is centered on your tailbone.
Return: Slowly return to the starting, fully extended supine position in a controlled motion.
Alternation: Repeat the movement with the opposite leg, alternating for the duration of the set.
Maintain a smooth, continuous tempo and avoid using momentum to swing your body up.
Alternating Single-Leg Arm Bent-Knee Sit-Up Under FAQs
What muscles does the Alternating Single-Leg Arm Bent-Knee Sit-Up Under work?
The Alternating Single-Leg Arm Bent-Knee Sit-Up Under mainly works the core. The main muscles are the rectus abdominis.
What equipment do you need for the Alternating Single-Leg Arm Bent-Knee Sit-Up Under?
None. The Alternating Single-Leg Arm Bent-Knee Sit-Up Under is a bodyweight exercise, so you can do it anywhere.
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