Do you do Frog crunches? I find that frog crunches target my abs better than a traditional crunch position and it’s probably because placing your feet together and positioning your knees wide means your hip flexors can’t do as much of the work, forcing your abs to take more of the load. Frog crunches target both your lower and upper abs. Frog crunches target your entire rectus abdominis, otherwise known as the six-pack ab muscles. Frog crunches also activate muscles in your lower body, including