Friday 27 July 2018

Preparation Phase




To generate maximum force I need to contract as many segments as possible. I know I am contracting segments in my preparation phase because my lower body muscles are working. Also I know I am following the principle of sequencing because when i bent my knees i'm contracting my bigger muscles first then up to my smaller muscles like my arms to shoot the basketball.

In the preparation phase I am contracting my lower body muscles. This means that I am using my Hips, Knees and Ankle joints in this phase. The agonist muscle contracting to make my hip flex is the quadricep and the antagonist muscle relaxing in this movement is the gluteus maximus. My ankles are in the position of dorsiflexion, the agonist muscle is my tibialis anterior and the antagonist muscle is my gastrocnemius, which is helping me to make a coordinated shot. In the preparation phase the similarities I can see in my joints and the ideal athlete is how we are both solidly stable.

In the preparation phase I am using Newton's Laws. The Newton's law that I am using in this phase is his 1st Law. Newton's 1st Law states a body continues in its state of rest or uniform motion unless an unbalanced force acts upon it. To overcome greater inertia i am applying more force to movements and i am doing that by contracting my leg muscles and i get into a position that allows me to do so. My knees and lower body muscles are helping me to create that force. When i applied force i also noticed that as i applied that force it was going in a certain direction.

In the preparation phase balance and stability is important when performing a sporting movement. Line of gravity is defined as the line that passes through the center of gravity to the ground. Base of support is defined as the area that is in contact with the ground. The larger the contact with the ground, the greater the stability. My line gravity is located from my my belly button and going downwards through to the ground, therefore i am stable. So also i can see that i have a solid base of support because i am planted with two feet on the ground. The differences/similarities I can see in my balance and stability compared to the ideal are very similar. The only difference i notice is my knees being more bent then the ideal athlete.


















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