How to jump higher in volleyball

How to use left and right legs, How to swing your arms, And I will give a scientific commentary on injury prevention. *Recommended training method↓ [Must-see for instructors! ] What is the training method that will greatly improve your jumping power? ? ~Announcing the results of an experimental project to increase jumping power~ * Subtitles may be wrong. Thank you kindly look forward for your understanding. ------------------------------------------------ ▼Introduced in the video▼ “Science of Weakness“ ↓ ------------------------------------------------ ▼Index▼ 0:00~ Opening 0:38~ Table of contents 0:57~ Completely different use of left and right legs 6:05~ What is a jump that uses muscles and tendons? 12:43~ Why is the toe of the left foot turned inward? 19:58~ What is the way to increase jumping power by swinging your arms?