One-arm sit up with weight ("Sit up" Core/abdominal strengthening, with dumbbell, arm overhead; 01)

One-arm sit up with weight ("Sit up" Core/abdominal strengthening, with dumbbell, arm overhead; 01)

Sit on a mat with your knees slightly bent and holding a weight in one hand.
Raise the arm overhead and lean back to do a sit up, keeping your back straight.
Keep the weight directly overhead throughout the exercise.

Required equipment: Dumbbell, Weights, free, Mat
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