is 178.77 KB, has a resolution of 700x700 pixels and was uploaded on May 23, 2019 @ 1:25 pm by user: matthisch. It is filed under the tags: exercise machine, crunch, lying triceps extensions, plank, rectus abdominis muscle. Click the blue button at the top to freely download: Bodybuilding Crunch Exercise Abdomen Rectus Abdominis Muscle png.