A

ABI - Ankle/brachial index: ankle systolic blood pressure divieded by brachial systolic blood pressure.

Activities of daily living: exertion required to perform normal life tasks.

Aerobic excercise: pysical activity requiring oxygen.

Aetiology: the study of factors that cause a disease.

Amputations: surgical removal of toes and/or feet or legs below the knee.

Anaerobic excercise: physical activity not requiring oxygen.

Angina: chest pains caused by reduced blood flow to the heart. Partial blocking of the heart arteries (atherosclerosis) is the most common cause.

Angioplasty: surgical reconstruction of blood vessels.

Anthropometry: the science dealing with measurement of the size, weight and proportions of the human body.

Antioxidants: substances capable of counter acting the damaging effects of oxygen in the tissues.

Asymptomatic: without obvious clinical signs of disease.

Atrophy: reduction or wasting of organ or tissue due to reduction in cell size.