Ключевые слова: active, activity, arm, athletic, background, ball, body, challenge, competition, equipment, exercise, expand, expander, finger, fist, fit, fitness, flexor, force, gray, grip, gym, gymnastics, hand, handle, health, healthy, human, instrument, isolated, leisure, lifestyle, man, men, metal, muscle, muscular, people, physical, power, powerlifting, rubber, shape, sport, strength, strong, success, trainer, training, white,