Biomechanical Analysis of the High Jump Essay

balance of the body also flexion on the back leg when the ball is being released ending in a plantar flexion position .

The first step of the tumbling pass is the roundoff. The athlete stands facing the direction he or she wants to tumble in and begins by running three steps forward, pushing off the ground with each step. Running is optional, but doing so builds the momentum you need. Without it, the round off will feel powerless. Next, you launch yourself sideways towards the ground and place yourself in a handstand position, followed by snapping your feet to the floor. You can relate this skill to a cartwheel. Keep in mind that if the roundoff is bad, it could determine the quality of the back handspring and the back tuck. In other words, you could call this step the “building block” of the rest of the tumbling pass.

*John Guido and Sherry Werner make a point that “The stride leg functions to dynamically stabilize the hip and knee joints in a single leg stance to maintain standing posture for

Analyzing Sotomayor’s record breaking jump it can be broken down into four separate sections. Firstly the initial approach to the breakpoint, breakpoint to the takeoff, take off to the peak and lastly the peak to the landing. In the initial approach Sotomayor builds speed for his jump, this speed is used as the initial horizontal velocity and is maintained by his large bounding strides. When he begins to break for his takeoff, the speed is farther increased in order to generate power for his take off. The horizontal velocity is then converted to vertical velocity by a quick last step and driving his knee upward and outward to create a slight rotational motion placing the bar behind him. After he is in the air, Sotomayor looks back at the mat arching his back moving the center of his mass outside of his body while at the panicle of his jump. Then drives his shoulders down bringing his legs over quickly for the record breaking near perfect

Unlike most studies and tests that measure and examine jumping ability and leg muscle power, the vertical jump test is extremely inexpensive to conduct. Although the vertical jump test is simple, easy, and quick to perform, there are numerous disadvantages to the test as well. In the vertical jump test, an individual is asked to attempt to touch the wall at the highest point of their jump. When the individual jumps, their technique and form play a large role in maximizing their jump height. The jump height can be affected by not only how much the individual bends their knees before they jump, but also by how effectively the individual uses their arms.

Knee extension while leg is driving up and knee flexion when leg is powering down.

Pike, toe touch, eagle spread, left herkie, right herkie, these are all forms of jumps in

Though we cheerleaders make these jumps look easy, it is definitely not a walk in the park to master. When outsiders look at jumps they may think the higher the better, but in our minds it is all about the technique. A certain technique that is not easy to master. It takes time and practice. As Valerie Ninemire suggests the perfect jump consists of prepping, the big lift, execution and a clean landing. (Niemire) That may sound easy but believe me it’s not. Jumps use a great deal of abdominal, leg, and arm strength that should be built up to execute a perfect jump.

The crow hop is a technique used by outfielders in baseball and softball for long distance throws when the athlete must make a strong, accurate throw to a base or cutoff man to either keep a runner from advancing or in an attempt to get the runner out. The crow hop allows the athlete to put maximum speed on the baseball in an attempt to cover that long distance as quickly as possible. The crow hop utilizes a hop or lateral jump to reduce the distance of the throw and help the athlete generate momentum and force. The end goal of the crow hop is to limit opportunity to advance to extra bases by the opposing team.

You shoes miss their mark and slide slightly down before settling in on the small plastic holds. When you reach a big gap between holds you will put your right foot to the handhold a foot lower than your hands. Shift your weight onto your foot. Wrap your arms around the giant handhold you are grabbing. It may be big but is slippery. Push downward on it with all your strength. Your elbow is now completely bent. Try as hard as you can to straighten it. Reach as far up as you can with your right hand and just barely grab the next hold. Now the finish hold. Put your foot further out and push sideways against the hold. When you do that you will notice the discomfort in your left shoulder not used to the pressure of that much weight, and the sickening feeling of fear. Lunge for the finish anyway. Fully commit. There will be a moment when neither one of your arms is grabbing onto anything on the wall. Grab the finish, and hold on as tightly as you can, for your legs will swing sideways and crash into part of the wall. When you jump down you will forget to let your legs collapse. Don’t let that bother you later on.

In competitive cheerleading you learn how to do a back handspring, according to dictionary.com a back handspring is an acrobatic feat in which one starts from a standing position and wheels the body backwards in a complete circle, landing first on the hands and then on the feet. A standing tuck is when you thrust yourself up and back then land on your feet without using your hands. These are both standing tumbling, now running tumbling, this is different because you have to run then do a round off then Kinect the back handspring and land upright on your

Once in the air, the left arm swings down first as a guide hand, then the right arm follows and contacts the top of the ball while snapping the wrist. Then follow through to the right hip. It is important to land on both of your feet instead of just one to refrain from injury.

The basic rule to a nicely executed vertical jump is to apply extra force on the ground with speed and precision during a leap. But we all know that it is easier said than done. The vertical jump is all about speed and force. Without efficiency of movement, an athlete cannot tap into their potential as a basketball player.

motions, and our facials are working overtime, motions sharp as boards. First sequence of jumps, everyone gets off the ground and everyone lands.

The stunt should be set up like so: back spot in the back the two bases in front of the back spot and facing each other and the flyer in the middle of the group, to do a prep the flyer will jump into the bases hands which means the bases have to catch the flyers feet and the back spot will help the flyer jump holding on to the waist. Once the flyer is in what is called a smush with there knees bent the back spot will say “1,2” and both bases will lift the flyer up as high as your shoulders and the flyer will just straighten his/her legs being very tight and then the back spot will then grab the flyers