Materials and methods: About twenty women who underwent bariatric surgery and a dozen who had subsequent plastic surgery will be included in this pilot study. Anthropometry, weight loss post bariatric and plastic surgery, motivational stage on the practice of physical activity, usual practice of physical activity, functional and physical ability, perceived benefits and barriers of physical activity, self-esteem and quality of life will be assessed. After analyzing the results, a group discussion will be established to further evaluate the impact of excess skin on the practice of physical activity. The evaluation will be identical for monitoring the effects of plastic surgery but the discussion group will also address the benefits and satisfaction related to plastic surgery.