Studying the bowling KINO SEQUENCE using Xsens suit provides information that cannot be identified with the naked eye.

 

Firstly it’s clear on the improvement in FFC One year apart.

 

Notice how this bowler has now developed a FLEX and EXTEND pattern with his front leg on contact.

 

Have a look here https://www.instagram.com/p/BrA6SV1hYFa/

 

This is very much a pitching and javelin method but can add more momentum into the delivery.

 

Also note how when he runs with his arms linked together, like most bowlers do at the death of a T20 or when the ball is reversing to hide the ball, his hips are locked far more effectively.

 

This aids the efficiency and mechanics of running.

 

Dale Steyn is an exponent of this running technique, well at the start of his run up at least.

 

The rocking back and forth of the trunk on approach and the shifting of the pelvis is not an efficient way of running.

 

This is called a “hip drop” or “trendelenberg gait”.

 

The hip of the swing leg drops and the hip of the stance leg “pops out” to the side, because the muscles either side (adductors and abductors) aren’t able to hold the pelvis level.

 

This makes the foot land badly and can cause problems in the lower back and along the outside of the leg.

 

Locking the arms together and holding the ball seems to “lock the hip”- Frans Bosch

 

Once again this wouldn’t be evident without the Xsens suit

 

The “DONKEY KICK” is also evident which is a consequence of an improvement in strength, ability to absorb force and withstand deformation on FFC.

 

Ultimately leading to greater NEGATIVE ACCELERATION and harder front foot block.

 

This has been shown to correlate positively with ball velocity.

 

Identify the key attractors of fast bowling and hit them.

 

Simple.

 

Assessing not guessing

 

Steff

 

p.s. for more help go to the pacelab website http://www.pacelab.co.uk/

 

 

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