The following drawings were done by Tilman Wetter and illustrate some correlations while braking a bicycle. I can not answer questions about this personally, since these drawings are not from me, but i gladly forward them. The captions are in German, as these are the original titles of the drawings.

A click on the respective drawing opens a larger version.

Alle Gelenke sind schon da

Bremskräfte - 1

Bremskräfte - 2

Entspannte Haltung

Zu entspannt gebremst

Stoppie

Nose Stand

Manual

Richtig Bremsen

Loser Grund