a fit man in a sweatshirt does alternating underhand front raises at an open air gym. strict isolation shoulder workout for front

underhand alternating front raises dumbbell single arm alternate isolation alternative upright standing pectorals strict form circular flyes variant delts forward sweatshirt activewear sportswear male fit man southeast asian filipino indonesian muscular muscle lifestyle athlete healthy gym workout exercise weight training equipment train bodybuilding motivation working lifting shoulder deltoids building endurance upper body strength inside health club anterior reversed freeweights open air gym delts