If you want to know how to increase vertical jumping, you have to get back to basics.
Improving your jump is not something that will happen overnight; rather it is a process that requires time and a lot of energy.
There are a lot of different workouts such as leg presses, running, sprinting, and weight/strength training that you can do to improve your leap.
Before you start your vertical jumping program, be aware that you should only do jump exercise 4-5 days per week, and always stretch before hand.
When warming up and stretching, focus on your breathing.
A lot of people tend to hold their breath while stretching, this is not good! You need to focus on your breathing to increase your heart rate and improve your blood circulation.
While stretching, think of your body as a rubber band, when a rubber band is warm, it is easier to stretch and pull.
After you are warmed up and stretched, you can begin your jumping routine with Plyometric jump exercises.
Effective Drills for How to Increase Vertical Jumping Weighted Box Jumps

• In these drills, jump forward and backwards while carrying weights
• Weighted box jumps are intended to prepare your body for future jumps without weights so that you will be able to propel higher

Side Box Jumps

• These drills consist of explosive jumping a varied hopping drills
• Place a box or obstacle next to your body
• Jump sideways over the box, repeat until your muscles feel strained
• Over time, gradually increase the size & height of the box

Weighted Squats

• Weighted squats help in building leg muscle & strength
• Unlike the normal squat, weighted squats require you to carry weights while squatting

As a general rule, you can only be as strong as your opposite muscles.
The strength of the opposing muscles will eventually plateau if you do not make an effort to strengthen and condition them.
An effective vertical jump program will show you how to increase vertical jumping beyond what you ever thought imaginable.
Start training NOW!