Coach Back

About Coach Back

Daniel Back is the founder of Jump Science.

How to Jump Higher

There’s a lot of information on in this site and in the Jump Science posts on facebook and instagram. When I write, I try to give people actionable information. I […]

Squat Depth

In the discussion on transfer of training, squat depth is a hotly contested issue with many opinions clouding the view. On one side many people testify to superior strength and […]

Speed Training Periodization

QUESTION
…The main thing between me and my dream of playing D1 football is my physical abilities when it comes to speed and agility. I am not slow (4.65 40 hand-time), […]

Striking The Ground in Sprinting

QUESTION
I read somewhere that a major difference between people who are considered fast and those who aren’t lies in technique. It was written there that some of the people when […]

Light vs Heavy Eccentrics and Structural Strength

QUESTION
I’ve been reading the book, Triphasic Training, by Cal Dietz… he trains each dynamic action separately starting with the eccentric phase of the movement. He uses submaximal and supramaximal slow […]

Specific Strength Training

KEY POINTS

Practicing and playing your sport is the ultimate specific training.
If the ultimate specific training is already in place, attempts at specific strength training can only be effective through […]

Strength Training for Speed and Vertical Jump

There is a lot of disagreement on the role that strength training plays in athletic development. Some say squatting is the only thing you need to do to increase your […]

Why do athletes need to be flexible?

QUESTION: “I saw you say, like many coaches, that flexibility is underrated. I just wanted to ask what shaped your views and why you think that?

I understand that stretching has […]

Losing Weight to Jump Higher

QUESTION: “i purchased your program last year and my training has been on and off, but i’ve seem some great result following your program!
i couldn’t even touch the rim before, […]

Velocity Based Training

Key points

VBT is using velocity feedback to influence workouts.
Most explosive training is naturally velocity based.
Current trend is applying VBT concept to strength training.
VBT in strength training is […]