Acrobatics

Acrobatics is – in contrast to athletics – the skill to manage a short exertion. For example jumping up a car ports wall, to push up to the roof with a skilled kick and then to pull oneself all the way up.
Bonuses and handicap – to stay with the example – are dependent on whether or not one leaves one's backpack and machine gun down or if you try that jump with. In principle, if it's a short action and not a long lasting exertion, it's acrobatics.

The starting value is: 5 + 2 * A + 2 * Co