a fit asian man performs lying oblique twists on a black mat. core workout at his home gym

abs abdominals six pack torso home gym house indoor workout station exercise training fitness wellness 4044 years exercising fit muscular toning model active lifestyle athletic healthy physique buff male asian man southeast filipino guy indonesian malaysian vietnamese chinese black mat artificial grass camera looking gray sweater green shorts focused serious core conditioning side planks elbow isometric hold strengthening bodyweight shoulder lying oblique twists bent knee rectus abdominis