Physical Activity
Any bodily movement produced by skeletal muscles that result in energy expenditure.

Exercise
Planned, structured and repetitive movement with the purpose of improving or maintain physical fitness.

Physical rehabilitation
A therapeutic intervention that uses a holistic patient-centred approach which aims to restore and maximize the quality of movement and functional independence, while supporting patient-self management and participation.

Venn diagram of the intersection of rehabilitation, physical activity and exercise. The physiotherapist is at the centre.