Exercise as Therapy - General Practice: The Integrative Approach. Physical exercise involves the voluntary movement of the body, incorporating large muscle groups, with the goal of enjoyment, relaxation and physical exertion to improve the body's structure and function. The different types of exercise are discussed but the avenues for exercise include sport participation, recreational activities such as bushwalking, fitness training such as resistance training, aerobic classes, yoga, Pilates, occupational and recreational work such as gardening, and incidental exercise such as walking to the shops or cycling to work.