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

This questions the view that certain muscles ... that thorough knowledge of ape anatomy is necessary for a better understanding of human evolution. Muscles once thought 'uniquely human' have ...

The gastrocnemius muscle is one of the main muscles of the lower leg. It gives the calf of the leg its rounded, bulging appearance. The gastrocnemius is on the posterior, or back, side of the leg.

We refer to an integrated unit as an organ system. Groups of organ systems work together to make complete, functional organisms, like us! There are 11 major organ systems in the human body.

The findings question the anthropocentric view that certain muscles evolved ... thorough knowledge of ape anatomy is necessary for a better understanding of human evolution.