Ankle Jumps are primarly used for developing reactive strength with particular emphasis on the achilles and calves. This exercise will help you get off the ground quicker with minimum knee bend, as well as make you more efficient at transferring power into the ground.
Whilst keeping your knees flexed jump up and down as quickly and as high as possible using primarily your lower legs and ankles.
Some good vertical jump training alternatives to Ankle Jumps are
Power Skipping - Power skipping is a great way to build reactive strength.
123 Jump - The 123 jump might be the most basketball specific vertical jump training exercises
Ankles jumps are a great vertical jump exercise, but to discover the fastest way to jump higher you need to check out the jump training methods in Game Changers. These exercises provide gains far above and beyond regular exercises. Find out more by clicking the image below.