@article {18213,
	title = {Age and sex differences in leg strength in stepping up movements.},
	journal = {Pedagogics, Psychology, Medical-Biological Problems of Sports},
	volume = {10},
	year = {2011},
	pages = {125-129},
	author = {Prusik, K. and Lapszo, J and Giovanis, V and Prusik, K.}
}
