what is pi
is the ratio of a circles circumference to its diameter.
diameter
2 * radius
what changes the arc length
the radius. short change in muscle length produces a larger movement at the end of the limb.
what is technique analysis
assessment of movement process with respect to performance outcome.
where are the 5 sensors with a electromagnetic sensor system
L4, T3, lateral humerus, back of hand and centre of forehead.
three events we look at in a golf swing
address (TA), top of backswing (TB) and impact (BC).