@brettmorsetraining: This video is so insane to me. When Bolt makes contact with the ground there is quite literally zero collapse of the ankle joint. This just goes to show how well the ankle complex of elite sprinters produce eccentric force. Follow for more speed development content to help you become a faster athlete. Want to work me with 1:1? DM me “COACHING” or click the link in my bio to apply for private online coaching.