Boxers punching bags in gymnasium

35 39 years 45 49 years african american ethnicity arizona authentic authenticity bag blurred motion boxer boxing boxing glove candid challenge color image concentrating effort exercise fitness gymnasium healthy living heavy bag holding horizontal indoors lifestyle man mature adult mature women mid adult mid adult men minority mixed race person motion multi ethnic group multicultural multiculturalism people phoenix photography physical fitness power practicing punching punching bag real life real people recreation selective focus standing strength three people three quarter length training united states woman working out workout 3 30 35 30 40 30's 30s 35 40 40 45 40 50 40's 40s 45 50 50 55 50 60 55 60 activity adult african african american african ethnicity african american afro american afro american america american americas amusement az black blurry carryall challenging color colour concentration demanding energy entertainment equipment exercising exertion fellow female fifties fifty focusing forties forty fun gal gentleman guy gym health hitting human human being indoor inside instructing lady leisure activity male mid life middle age middle aged middle age middle aged mixed race movement north america of african descent pastime person pouch powerful practice practising punching bag rehearsing sack self improvement southwest sport striking teaching thirties thirty three three quarter length trainer us usa united states of america us usa women work out