Frowning athlete working out with heavy weight bag suffering from muscle pain.

More tags man, sandbag, weight, workout, strength, exercise, hard, bag, gym, heavy, frowning, determination, pain, muscular, shirtless, body, training, athletic, power, strong, serious, lifting, activity, health, confidence, fit, equipment, sportive, endurance, professional, sportsman, active, stamina, patriot, american flag, us flag, concentration, motivation, exercising, physical, exhaustion, energy, athlete, masculine, abdominal, practice, action, sport