Ten Pin Bowling

 

Bowling

Pre - Bowling:
1. Use YouTube is gain a clear picture of the ten pin bowling throw: Use the throwing deterministic to help clarify your understanding.  

Bowling Score:
--> Step/Run up into the bowl
-->Lunge
--> Release
-->Acceleration

2. Write down the formulise for calculating 'linear momentum' and 'speed'
-->Linear momentum = P=MxV
Momentum equals the mass multiplied by the velocity of the object.
--> Speed = S=D/T
Speed equal distance divided by time

3.Find out the length of the alley (line to number one pin)
The sport of ten-pin bowling is performed on a straight, narrow surface known as a lane. This bowling lane is 60 feet or 18.29m from foul line to the head pin ( number 1 pin). About 15 feet from the foul line are a set of guide arrows.


During Bowling
1.Coach each other to attain the most effective throwing action, use the deterministic model as a framework

Georgia Selby

George Bell

Kate Wiggins

Jordan Taylor

Rochelle Oxley

Alex Forsey

Joe Warner

.

2.For each person in your lane record the time taken from release to hitting the number one pin, do this for two different weight balls.

Rochelle --> small: 3.66s       Large:4.65s
Georgia --> small: 3.23s         Large: 4.45s
Jordan --> large: 2.11s           small: 2.35s
Kate --> large: 2.40s              small: 2.93s
George --> large:3.65s           small: 2.25s


3. Record the most effective action that you have on your alley

George and Georgia had the most effective action that we have on our lane, they scored the most on the score sheet with the slow glide into the bowl.

 

a.    How does the run up influence the preparation phase?

The preparation phase begins when a person steps onto the approach, grasps a ball off the ball return, aligns the body to the target (including eyes), places the hand in the ball, and assumes the starting position. The bowler is now ready to initiate the approach to the foul line and delivery of the ball (Berglund, 1983; Kouros, 1976).This phase influence the other stages of the bowl due to being the preparation in positing the ball before deliver.

b.    How is momentum imparted to the ball in the backswing, what happens if this does not occur?

The part of a swing during which the ball is behind the body. More backswing generally means more speed on the ball, once it is released

 

c.    What variations did you observe at the end of the preparation phase, what variation in performance subsequently occurred?

Different types guild and throwing into to deliver the ball down the allow. Different speeds some students were delivering slowly and some were going deliver at high speed..

d    Is the follow through phase short or long, how does it achieve its function

The follow through phase begins as the thumb exits the ball. The arm swing follows its atural directional path upward and

outward, lifting with the fingers as they slide out of the holes. This is the only motion of the follow through phase except for

the bowler continuing to slide. The body is statically held in position until the ball is well down the lane (Kouros, 1976).   
 

 



Cristiano Ronaldo - to the limit for a sky sports documentary

 Cristiano Ronaldo - to the limit for a sky sports documentary

When the university of Chichester flew out to Madrid, Spain to carry out series of test on Ronaldo to find out what makes him one of the best football players in the world. The team spend five hours in a film studio which was decked out with AstroTurf. The team performance tested on the football on assessing his spiriting and free-kick taking amongst other attributes. However though this study a number of problem occurred.

- One of the test which was carried out was to analysis Ronaldo famous kick, however it was seen in footage that Ronaldo wasn't taken the kick as he would normal. I feel this is due to him not wanting anyone to know how he is perform acing these kick which are making him an successfully goal scorer.

- The research's wanted to see the  Light system to use to compare Ronaldo speed against fastest Spanish 100m runner. However this was un able as the equipment wouldn't allow two athletes data to be taken.

-One of the test under taken was Ronaldo power, they had sheets of glass and Ronaldo had to kick a ball and see how many sheets of glasses his power kick managed to get though. Problem that they only had one set of glass so only had one taken no matter the results or any mistakes. They would need to have a few sets of sheets of glasses to make sure they would do it a number of times in case anything went wrong.

- One issue the research came around was when putting marked on Ronaldo to get 3D imaging result some marked would fall as he was physically moving and kicking football's. The marked would of need to put on permanently, suggestion of having an outfit which the marked are also permanently on which Ronaldo could of worn.

Cycling Injurys

Effects of Bicycle Saddle Height on Knee Injury Risk and Cycling Performance 

Bini, Hume and Croft (2011) study states that incorrect bicycle configuration may predispose athletes to injury and reduce cyclist their cycling performance. This study summarises research on methods for the determining bicycle saddle height and the effects of bicycle saddle height on the measure of cycling performance and lower limb injury risk. There is limited information on the effects of saddle height on cyclist lower limbs injury risk. If the saddle height is increased it can cause increase shorting on the vastii muscle group and no change in hamstring.

 

Evidence suggested that 5% change in saddle height affected knee joint kinematics by 23% and moments by 16% however change of less then 4% in trochanteric length do not seem to affect injury risk or performance. One the basis of the evidence on the effects of saddle height change on performance and lower limb injury risk in cycling. The study suggest that height may be set using the knee flexion angle method (25-30*) to reduce the risk of knee injuries and to minimize oxygen uptake.  

How does reverse swing occur?

The ball will only change its flight path when the air around the surface of the ball travels at different speeds.

Deterministic Model Approach - Gymnastics Floor routine

Deterministic Model Approach - Gymnastics Floor routine