Practical Findings

Practical Findings

Equipment

The equipment used in this analysis was the following. two iPads, one for filming the biomechanics of the pitcher and another iPad for filming the trajectory of the ball which tracked the ball release speed. A hula-hoop which was used for the target of the throw, a sash to dangle the hula hoop from a hook on the wall. Measuring tape to measure the distance of 10 meters from the hula hoop to where the throw was stationed, a cone at the ten metre point, a cone at the four- and nine-meter point to record the trajectory of the ball from being thrown for the second iPad to capture. The ball was a small firm indoor softball.  

Avoiding Injury

Continuous amount of pitching can cause injury to the hips and shoulders of an athlete, the way our participant avoided injury was by how they moved up in degree of difficulty in the comparisons of their throws. The first set of throws was from a front on approach with no real follow through of the pitch compared to the last set of throws the participant completing all six phases of a baseball pitch and following through with an exaggerated planting of the foot. Each set of throws slightly varied from the previous set, with the second set of throws introducing the side on approach, the third set of throws the participant completed the optimal throwing technique and the final set of throws the participant exaggerated the phases of the throw and put an extreme amount of force into the throw to see if the ball release speed would peak. A warmup consisted of a few warmup throws against a wall and shoulder rotation exercises. This was done to prevent potential straining of muscles or other shoulder injuries.

Optimal technique

Throughout researching about baseball pitching and the pitching of Jacob deGrom, I found that the best pitches are made up of a combination of starting momentum forward through the wind up, pushing off of the back leg to create drive as well as swinging the wind-up leg all the way through to generate more momentum before. Not only this but in order to reach maximum velocity and accuracy, Jacob deGrom pushes the foot of his wind-up leg as far in front of him as possible while still keeping his toe pointed towards the batter, while also pushing off the balance foot (right foot) to create even more momentum. In relation to newtons second law, all of these factors allow deGrom to generate more force due to the fact more momentum is being created from both the right foot pushing off the plate as well as the wind-up leg (left leg) swinging through. Not only this but by pushing off the right leg and balancing onto that left leg, the release point of the ball is closer to the batter and therefore, according to newtons law of inertia, there will be less external forces that will be able to reduce or sway the baseball while it travels to the batter compared to if the ball was released further back.


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