Krill Oil and Resistance Exercise in Older Adults

Inclusion Criteria: * Over the age of 60 years * scoring a low level of physical activity based on international physical activity questionnaire (not meeting the recommend physical activity which is at least 600 MET-min per week). Exclusion Criteria: * Diabetes * severe cardiovascular disease * seizure disorders * uncontrolled hypertension (\>150/90mmHg at baseline measurement) * cancer or cancer that has been in remission \<5 years * ambulatory impairments which would limit ability to perform assessments of muscle function * dementia * taking medication known to affect muscle (e.g. steroids) * have an implanted electronic device (e.g. pacemaker/defibrillator/insulin pump) * on anticoagulant therapy * allergies to seafood * regular consumption of more than 1 portion of oily fish per week * already taking fish or krill oil or other n3 PUFA supplements * femoral neck fracture or other severe of hip or knee operations * stroke * Parkinson's disease * COPD * kidney disease * hyperlipidaemia * obesity * osteoporosis.