Sports scientists use knowledge of how the body works to help people improve their health or sporting ability.
Sport and exercise psychologists study the mental and emotional effects of taking part in sport and exercise.
Fitness instructors organise exercise programmes to improve people's health and fitness.
Yoga teachers teach yoga as a form of exercise to increase fitness and well-being.
Swimming teachers help people develop swimming skills and techniques, and to exercise in water.
Naturopaths believe that they can improve their clients' health through natural therapies, and education about lifestyle, diet and exercise.
Pilates teachers help clients change and improve their body strength and posture through breathing, stretching and conditioning exercises.
Bomb disposal technicians identify, defuse and destroy explosive devices.
Nutritionists use their scientific knowledge of food to give information and advice about the effects of diet and nutrition on health and wellbeing.
Royal Marines Officers lead teams of Commandos in combat situations, at sea and on land.
Yoga therapists use yoga to help people with physical issues, emotional issues or specific health problems.
Personal trainers help their clients reach their personal health and fitness goals.
RAF non-commissioned aircrew carry out air patrols over UK airspace and take part in NATO operations.
Colour therapists believe it’s possible to use colour to to help physical, mental or emotional problems by balancing energy.
Racehorse trainers manage the day-to-day running of a racing stable. They look after the horses’ welfare, training and race preparation, and manage staff.
Jockeys are sports professionals who ride racehorses at race meetings for horse trainers and owners.
Soldiers defend the interests of the UK by taking part in peacekeeping missions, supporting humanitarian efforts, or fighting in combat zones around the world.
Army officers command, manage and motivate teams of soldiers.
Physiotherapy assistants help physiotherapists work with patients to restore or improve movement.
Motor mechanics repair and service cars and vans.