One-arm Full Sit-up

Muscle Groups: Abs, Shoulders

One-arm Full Sit-up focuses on Abs, Shoulders, with Glutes, Obliques, Lower Back, Hips working as supporting muscles.

How to Perform

Follow these step-by-step instructions to perform One-arm Full Sit-up with proper form and technique.

  1. 1

    Lie on your back with your knees bent and feet flat on the floor, hip-width apart.

  2. 2

    Extend one arm straight overhead, keeping it close to your ear, and place your other arm across your chest or by your side.

  3. 3

    Engage your core and use the momentum from your extended arm to roll your torso up off the floor, keeping the extended arm straight and reaching towards the ceiling.

  4. 4

    Continue to lift your body until you are in a seated position, with your extended arm pointing straight up.

  5. 5

    Slowly reverse the movement, controlling your descent as you roll your spine back down to the starting position on the floor.

Secondary Muscles

While One-arm Full Sit-up primarily targets Abs, Shoulders , this exercise also activates several secondary muscle groups during the movement. These supporting muscles include Glutes, Obliques, Lower Back, Hips . Engaging these secondary muscles helps stabilize your body throughout the exercise, improves overall coordination, and contributes to balanced muscle development.

Related Exercises

If you enjoyed One-arm Full Sit-up, you might also want to try these related exercises that target similar muscle groups.

These exercises work the same primary muscles as One-arm Full Sit-up, making them excellent alternatives for variety in your training program or complementary movements to include in the same workout session. Mixing different exercises that target similar muscle groups helps prevent plateaus, reduces overuse injuries, and keeps your workouts engaging and effective.

Ready to Start Your Strength Journey?

Download LiftTrack and start building custom workouts that sync seamlessly with your Garmin watch.