A muscular man is demonstrating abdominal exercises on a fitness mat.
A shirtless man sitting on a mat performs an exercise.
Fit shirtless man doing an ab workout on a mat next to a pool with still water.
A man wearing shorts and sneakers does exercises on a mat.
A muscular man in swim trunks does sit ups next to a pool
A man is lying on a mat by a swimming pool working out the abs.
a very it guy is showing how to do a simple ab exercise.
On the edge of a pool a man sitting on a soft mat is doing ab crunches with his legs extending and retracting.
A man was partially lying and twisting his waist sideways in multiple repetitions
A man lying on a mat next to a swimming pool is exercising.