Female Muscle Enhancement

Inclusion Criteria: * Females aged 40-60 years of age at time of screening. * Body mass index \<30kg/m2 and \>18.5kg/m2 * Considered moderately active according to the 7 day International Physical Activity Questionnaire (IPAQ) (Craig et al., 2003) * Self-reported as healthy (absence of injury or disease). * Availability and willingness to attended 12 weeks of exercises classes 4-5 times per week at St Luke's Campus Exeter and participate in the study lasting a total of 26 weeks. Exclusion Criteria: * Pregnant, lactating or planning a pregnancy. * Current diagnosis of a chronic disease such as diabetes, autoimmune disease, cardiovascular disease, kidney disease. * Hysterectomy and/or ovariectomy. * Currently prescribed hormone replacement therapy. * Hypertension (BP ≥149/90 mm/Hg) * Either current smoker, or history of smoking in the past 6 months. * Currently taking supplements that have been shown to impact muscle function and muscle mass, such as creatine, in the last 6 months. * Prescribed medications that have been shown to impact muscle function and muscle mass, such as steroids, in the last 6 months. * History of epilepsy. * Current or recent injury within the last 6 months that may affect their ability to carry out the resistance training program. * Advised not to exercise by their General Practitioner or medical professional. * Resistance training consistently for 3 or more times per week for the last 2 months