Xudoyberdiyeva Fayoza ning "Stretching. Stretching bilan shug'ullsnish metodikasi" nomli kitobi biomekhanika tushunchalarini, harakatlilik va cho'zilish turini, statik cho'zilish, dinamik cho'zilishni o'z ichiga oladi va PNF (proprioseptiv neuromuskulyar fasilitatsiya) cho'zilishi haqida tushunchalar beradi