How to do Sit up exercise?
What is a sit-up exercise? Sit-ups are classic abdominal exercises performed by lying on your back and lifting your trunk. Sit-up exercises use your body weight to strengthen and tone the core-stabilizer abdominal muscles. Sit-up exercise works the rectus abdominis, transverse abdominis, and obliques muscles in addition to your hip flexors, chest, and neck. They…