Tattooed man in home gym sitting on chair doing quad extension

workout bench personal trainer hamstring upper body workout dumbbells body pump triceps dumbbell quadriceps rotator cuff muscles barbells strongman biceps gym latissimus dorsi gyms gluteus medius workout home gym deltoid barbell muscleman fitness muscles muscular muscled cardio workout muscle crossfit chest glutes strong equipment creatine calf aerobics manly cardio man back muscles skeletal muscle