Study of human movement...
 
 

*How do leg muscles work when we cycle ?
*What is the good position to optimize the performance
*How does an athlete have to train to performe better?
*How does an althete feel during a race?
........

Kinesiology is really complex!!!! To be able to answer to those questions you should use different branch in order to increase performance :

biomechanics (physics)
physiology (biochemistry)
sport psychology
nutrition
and a lot of other aspects...

For sure, you can think that is only for athletes but in fact everybody benefits from these sciences...

Interesting links!

Runners World ... An excellent site (from the magazine) for the runners.
                                      TO know what kind of shoes you need go there and do
                                                "WET TEST".

Human Kinetics  .... To find excellent reference books.

endurance plus .... A lot of articles on nutrtion, doping, training of
                                       endurance athletes.

Canadian cyclist ... Everything for every kind of cyclist.

biomechanics world wide ... a lot of thing on biomech.