Centre of Mass and Stability

Define centre of mass

is the point at which the body is balanced in all directions

Where is the centre of mass in a normal anatomical position?

the naval

What happens to your centre of mass if you raise your arms?

it will raise

What happens to your centre of mass if you bend your knees?

your centre of mass will lower

Give an example of where the centre of mass is outside a perfromer

the Fosbury flop

What is the advantage of moving a performers centre of mass outside of the body?

it means less effort is required because the centre of mass is lifted less

Define base of suport

it is the area between any points of contact the body has with the surface its supported on

How does mass effect stability?

the greater the mass the greater its inertia and the more stable it is

How does the height of the centre of mass effect stability?

the lower the centre of mass, the greater the stability

How does the base of support effect stability?

the greater the size, the greater the stability

How does the line of gravity effect stability?

the nearer it is to the base of support, the more stable the performer