"Yürüme ve hareket sistemi" belgeselinden.

http://www.a9.com.tr/izle/217868/Belgesellerden-Secme-Bolumler/Celikten-daha-saglam-kemikler
A9 uygulama mobil linkler :

A9 TV iphone : http://itunes.apple.com/tr/app/a9-tv/id432879700
A9 Radyo iphone : https://itunes.apple.com/tr/app/a9-tv-radio/id929302730

A9 TV Android : https://play.google.com/store/apps/details?id=com.chelik.client.a9tv
A9 Radyo Android: https://play.google.com/store/apps/details?id=com.chelik.clients.a9radyo