Ключевые слова: activity, arm, athlete, athletic, body, bodybuilder, closeup, effort, equipment, exercise, expander, finger, fit, fitness, force, grip, guy, gym, hand, health, healthy, hold, human, isolated, lifestyle, male, man, metal, muscle, muscular, person, physical, power, resistance, rubber, sport, spring, squeeze, squeezing, steel, strength, strong, tool, trainer, training, white, workout, wrist, young,