The film explores the muscular system of the human body ... muscles, smooth muscles, cardiac muscles, voluntary, involuntary, muscle contraction, energy production, lactic acid, anatomy Email ...

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 ...

PRESENTER:'Muscles can only pull, they can't push. This is why our joints are controlled by more than one muscle. For example, our elbow joint in the arm has two muscles, to move your forearm up ...

Resistance bands can get your muscles firing just about as well as dumbbells (particularly in upper-body moves), according to a 2018 study published in the Journal of Human Kinetics. They’re ...