Pitchers do several overhand throwing which involve fine coordinations of all body segments (MacWilliams, Choi, Perezous, Chao & McFarland, 1996). “Pappas et al. described baseball pitching as a sequential activation of body parts through a link segment beginning with the contralateral foot and progressing through the trunk to the rapidly accelerating upper extremities” (MacWilliams et al., 1996). There is a rise of concern among the sport medicine practitioners for the number of baseball pitchers with elbow injuries appears to be increasing. The baseball pitchers use multi-joint movements, which are joints that rotate due to muscle, gravity, and interaction torques. There has been previous research that suggests that the main risk factor may be due to overuse of the muscles, such that risk of elbow pain correlates with the number of pitches thrown in a game and in a season (Fleisig, Weber, Hassel & Andrews, 2009). Therefore, to minimize future injuries/risks a proper experiment must be done to determine which potential changes in muscle function would be most beneficial for (i.e. muscle torques at different joints and the underlying muscles forces) learning a skilled throwing movement (Jindrich, 2014).
When one throws a baseball properly they are using there entire body to generate a large force to propel the baseball. A general throwing position starts with a person rotated 90 degrees from there target with there throwing arm 180 degrees from the target and parallel to the ground. The person then starts rotating their body back towards their target while there throwing arm starts bending until it is almost 90 degrees to their elbow, while the arm is bending at the elbow the throwing arm is rotating such that the arm rotates back almost 180 degrees from the target. Meanwhile the person is leaping forward with the leg that was initially pointed at the target while there other leg is planted into the ground. The person is bending at their waist and the other arm is rotating into their body. Around the point where the driving leg strikes the ground the throwing arm is rotating foreword at a tremendous angular speed and the person lets go of the ball. At the point where the ball is let go the persons body pulls the planted leg forward and the throwing arm finishes its motion towards the driving leg.
Pitching overhand is a particularly stressful motion; the strain it puts on a player's joint is commonly injurious. Pitchers such as Kerry Wood, Matt Morris, John Smoltz, Mariano Rivera, Tom Gordon, and Eric Gagne all have a four inch scar on their pitching arms as evidence of this career saving surgery.
The next data is from the curveballs of Bronson arroyo from the Cincinnati reds, and the fastballs of Josh Beckett of the Boston red socks. Although the nature of movement on a curveball su...
Wasser (2016) stated, “The acceleration phase involves increasing angular velocities of the body segments (pelvis, trunk, shoulders) and crosses to prepare for ball release.” The trunk follows a progressive pattern of flexion throughout the throwing motion, thus, influencing the power behind the ball’s trajectory. The turning of a player’s shoulders to align with their hips is what creates the momentum for the ball’s speed and direction upon release. At the beginning of the acceleration phase, as shown in the lacrosse shot analysis, the trunk exits the preparatory stage and enters a phase of rotation. According to Plummer and Oliver (2015), this phase is vastly important because the alterations in action and purpose of involved muscles could be
For those who are unaware, the act of throwing overhand is an unnatural motion. For this reason, baseball players need to strengthen and build up the tiny muscles in their rotator cuffs (shoulder), and the deep muscles of the shoulder blades. The best way to carry out this is by performing exercises like shoulder stability movements.
Reflexes dictate a sportsman’s career. The natural human reflex is something that all athletes depend on in order to be professionals in their respective sports. Recently, baseball player Jackson Rodgers’ reflexes have been failing him. Rodgers, being a hall-of-famer, had an exceptional season last year. With his batting average at record high, he recalled in an interview that he could see the ball with such clarity as it whirred towards him, that he could see each individual stitch on the ball. However, in our current baseball season this doesn’t seem to be true. You see, Rodgers is in a huge slump in his batting career right now, and it is taking a gigantic toll on him and his team. In our most recent interview with him, he explained that
The video looked at weight and height difference. The experiment was done with little league player Aaron Greenfiled. His throwing arm was measured at 30 inches long which was said to be 2.5 inches shorter than a major league pitcher’s throwing arm. They explained that shortening a level reduces the speed of rotation at the levers end, but regardless of that fact little league pitchers can still get their shoulder to rotate to angular velocities of above 2100 degrees per seconds. They can throw fast balls that max out beyond 70 miles per hour, which is only 20 miles per hour slower that a major league average. This video was interesting because I didn’t know players in the little league can throw that fast and even though they throw slower that the major league players. They went on explaining that the target for a little league player was actually smaller because of their height, so the overall target area shrinks. The bat of little league players are also shorter and narrower which reduce the “sweet spot” by 30 percent. The pitchers mount is 14.5 feet closer to the home plate in little league games than in the majors. This resulted in the little league batter has to react faster to hit a ball coming at them at 70 miles per hour fast ball. This intrigued me because they have to react faster than a major league player hitting a ball at 90 miles an hour fast ball. From
This study aim to investigate the correlation between hand grip strength and digit ratio (2D:4D) among the team sport collegiate athletes which are the volleyball players, rugby players and frisbee players. These are the team sport that require the grip strength and could be measure using the hand grip strength test due to their needs and usage of their arms. Shoulder girdle strength and handgrip strength are physiological variables that are affected by a number of factors including age, gender and body size. The estimation of these variables is of immense importance in sports like tennis, handball, basketball, volleyball, baseball and softball, where sufficient degree of shoulder girdle strength and grip strength is necessary to be successful
In general, Functional Movement Screens have become a part of pre-participation exams for many collegiate and professional sports to identify athletes at risk of injury (Schneiders et al., 2011). Athletes need muscle strength, flexibility, and proprioception to perform the complex movements that they do on the field (Kiesel, Plisky, & Voight, 2007; Cook, Burton, & Hoogenboom, 2006). The Functional Movement Screens “take into account all of these movements using a score that can determine if an athlete is more at risk of injury compared to other athletes” (Teyhen et al, 2012; Cook, Burton, & Hoogenboom, 2006). Certain fitness tests are used by several evaluation agencies, such as the National Football League, to determine the value of an athlete