an athletic man does regular push ups on the rubber matted floor. hiit or calisthenics workout at an mma gym

active activity arms arts asian athletic body bodyweight buff calisthenics chest chinese cross effort exercise filipino fit fitness floor form gym health healthy high hiit inside intensity lifestyle male man martial matted mixed mma motivation muscle pecs physical proper push pushups regular rubber rubberized southeast sport sports sportswear strength strong tank top train triceps upper ups variation warmup weight working workout