Deltoid Abduction of the shoulder (moving the arm outwards and away from the body) Outward arm action in a jumping jack Rotator cuffs A group of stabilising muscles of the shoulder which helps to ...

The skeleton provides the framework for muscles and gives the body its defined human shape. Cardiovascular system - Edexcel The cardiovascular system is made up of three main parts - the heart ...

Modern human anatomy has built on the strengths ... Instead, they have to use muscle power to support their body weight when standing or walking upright, a much more tiring situation.