Inclusion Criteria:  Age >= 18 and <70 years Informed consent Diagnosed RA based on the 2010 American College of Rheumatology/ EULAR criteria. In biological treatment with either IL-6rB og TNFi over four months prior to enrollment Low RA disease activity, based on the Disease Activity Score-28 ESR for Rheumatoid Arthritis (DAS28) <=3.2 An electrocardiogram without features of left ventricular hypertrophy defined by the European Society of Cardiology  Females of childbearing potential have to use one or more of the following highly effective methods for contraception in order to be included:  Vasectomized partner Bilateral tubal occlusion Sexual abstinence Intrauterine device Hormonal contraception  Females who are considered to have no childbearing potential are  Bilateral tubal ligation Bilateral oophorectomy Complete hysterectomy Postmenopausal defined as 12 months with no menses without an alternative medical cause  Exclusion Criteria:  Health conditions that prevent participating in the exercise intervention determined by the Project Coordinator Subjects who cannot undergo MRI scans (metallic implants or claustrophobia) Corticosteroid use per os > 10 mg/day within seven days of study enrollment Intramuscular corticosteroid within 3 weeks of the study enrollment Grade 2 hypertension (systolic BP > 160 mmHg and/or diastolic BP >100 mmHg) despite the use of antihypertensive drugs. Pregnancy Subjects with insulin dependent Diabetes