Inclusion Criteria:  Young adult male or female, aged 18 to 25 giving free and informed consent Hodgkin lymphoma or non-Hodgkin lymphoma in the healing stage Cured (defined by an undetectable disease at the end of treatment) for at least one year and maximum 6 years of lymphoma or Hodgkin's disease  Exclusion Criteria:  Legal incapable adults People under judicial protection Treatment with systemic glucocorticoids for more than a week, during the 30 days preceding the tests Medical contraindication to the practice of physical exercise Any pathologies (other than the history of lymphoma for the cases) likely to affect the metabolism or the muscle mass Any treatment that may have an influence on the energy metabolism Active infection Pregnant, breastfeeding, or likely to be Subject's refusal to participate