I figured there had to be a place for this discussion.
Many aspects of human movements in sport can be readily understood by Newtonian rigid-body mechanics. Many of these laws and biomechanical principles, however, are counterintuitive to a lot of people. There are also several problems in the application of biomechanics to sports, so the application of biomechanics in the qualitative analysis of sport skills by many coaches has been limited. Biomechanics scholars have long been interested in developing principles that facilitate the qualitative application of biomechanics to improve movement performance and reduce the risk of injury. This paper summarizes the major North American efforts to establish a set of general biomechanical principles of movement, and illustrates how principles can be used to improve the application of biomechanics in the qualitative analysis of sport technique. A coach helping a player with a tennis serve is presented as an example. The standardization of terminology for biomechanical principles is proposed as an important first step in improving the application of biomechanics in sport. There is also a need for international cooperation and research on the effectiveness of applying biomechanical principles in the coaching of sport techniques.
How deep can this get?
In the kinetic link and according to the principle of summation, one segment speeds up when its preceding segments slows or stops, so the hands can follow along for a longer period of time because rotation is more efficient in delivering the bat to the ball. This allows a later release of the bat head which not only affords a way to generate more bat speed with the larger segments, but also prevents the batter from committing his hands too early on off-speed pitches.
More ?
Swinging the bat is a skill that is unique to baseball. Players need good lower body and core strength to develop power in the swing. These muscles need to be trained rotationally in a high-velocity, explosive manner.
Swing or Period of Muscle Contraction.
Strong hip and leg muscles will initiate the swing (stride/weight shift), the core area then sequentially transfers the rotational speed to the torso and the arms to complete the swing (swing, hip turn). The efficient transfer of force from the lower body to the upper body, known as the kinetic chain principle, requires that there be muscular balance for optimal sequential transfer of forces.
Strong lats, triceps and forearms will help to continue bat acceleration through ball contact.
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