General Situp
General Situp is a classic abdominal exercise that strengthens and tones the core-stabilizing abdominal muscles. Situps work the rectus abdominis, transverse abdominis, obliques, and your hip flexors, chest, and neck.
Medicine Ball Situp primarily targets abdominal muscles. When practiced with proper form, you activate your lower body, working your glutes and hamstrings.
General Situp is a classic abdominal exercise that strengthens and tones the core-stabilizing abdominal muscles. Situps work the rectus abdominis, transverse abdominis, obliques, and your hip flexors, chest, and neck.
Crunch is a classic core exercise that explicitly trains your abdominal muscles - part of your core. It also includes your oblique muscles on the sides of your trunk and the muscles in your pelvis, lower back, and hips.
Weighted Crunch is a powerful core exercise that primarily targets the muscles in your midsection, such as your abdominal muscles, lower back, and obliques.