Ключевые слова: abdomen, abdominal muscle, abdominal toning wheel, arm, athlete, bicep, body building, concentration, effort, equipment, exercising, flooring, greece, gym, hand, healthy lifestyle, horizontal, human abdomen, human arm, human body part, human hand, lifestyles, limb, macho, masculinity, muscle, muscular build, no people, people, rolling, sport, sports training, strength, stretching, torso, vertical, vitality, weight, wellbeing, wheel,