![](http://www.alamy.com/thumbs/6/0D8DD535-A4A2-4884-B7FB-B74F62EA6B7C/2HDM4RT.jpg)
muscle exercise, workout, sit-up, exercising, muscle exercises, workouts
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Keywords: &, 1, 18-30, adult, adults, aways, body, colors, concentration, emotions, exercise, exercises, exercising, fit, fitness, full, guy, home, homes, horizontal, indoor, insides, length, male, males, man, men, muscle, naked, neutral, onlies, people, person, sit, sit-, sport, sports, sportswear, sportswears, tension, training, twen, twens, ups, workout, workouts, years, young