Sit-ups


Sit-ups on exercise equipment in the park. Sit-ups strengthen the core muscles of the abdomen.


Size: 4863px × 3221px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: abdomen, abs, core, crunches, equipment, exercise, outdoors, park, sit, sit-ups, strength, strengthen, track, work, work-