Ύλη: σχολ.σελ.13-18
https://www.youtube.com/watch?v=fA1B2aGGSww
https://www.youtube.com/watch?v=etcSv3uuob0
https://www.youtube.com/watch?v=iqSwgV3o3xw&t=648s
ασκήσεις σύνολα
http://www.donoussatrailrunning.gr/index.php/el/?fbclid=IwZXh0bgNhZW0CMTEAAR3jT9MwT8DkWBh-rgP_2eFk-sM_d_7MtQ7OleKHKskny_3LfK6ZwlpUHRA_aem_D7F6QMwRTLpdruQST3UGaA
9