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Alalyse the current application of performance in technology to enhance sport performance

Free essay example:

                                                   Video analysis and digital video analysis

The SportsCode suite — featuring SportsCode Gamebreaker — is designed especially for coaches and trainers as a video analysis / performance analysis system enabling you to gather vital information on team dynamics and individual performances — including the competition.

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SportsCode Gamebreaker from Sportstec brings together the ease-of-use and flexibility of SportsCode and the player data collected by Trak Performance enabling coaches to put together meaningful “tactics” and scouting reports.

Gamebreaker

In America College and high school coaches use SportsCode Gamebreaker to:

  1. Capture Sports Video : Capture video live from a DV camera or after the event from DV tape, VHS or DVD
  2. Code Sports Video : No predefined structures of coding templates — you set the rulesEnjoy the flexibility of defining your own code buttons.
  3. Game Film Video Analysis: Overlay any two video files, Review sequential frames within any video instance through the Instance Monitor (Picture Above)
  4. Make Movies : Replay video at different speeds, frame by frame, fast forward/backward. View single instances or compile multiple instances and make a movie.

SportsCode

SportsCode is a revolutionary sports video analysis tool that analyzes any combination of play, by player or type of play. SportsCode is highly sophisticated performance analysis software, the ultimate tool for performance recording, in-depth analysis and individual player development.

It is used during performances for comparisons and fine-tuning, then afterwards to coach players or teams with a comprehensive database of video and statistical information.

Video Analysis

SportsCode is leading the world in intelligent Sports Video Analysis. The functionality and features jammed into this product make it the most powerful sports video tool available today:

  • Powerful Access to Information
  • Statistical Analysis
  • Biomechanical Analysis

Frequency Lists

SportsCode’s Frequency List gives you a complete snapshot of what is happening during a game. This tool shows you:

  • The number of times each code was used e.g. Red possession.
  • How much time those actions took e.g. 40 minutes.
  • The percentage of the total performance time those actions took e.g. 66%.
  • The mean time for each action e.g. 20 sec’s.

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Split Screen and Overlay Comparisons
SportsCode provides split screen and overlay analysis tools, great assets when you want to highlight differences in technique and to compare similar actions such as a soccer free kick, football pass play or basketball foul shot.

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Trak Performance

During training sessions and competitive games, coaches can use Trak Performance to measure:

  • Total distance travelled
  • Breakdown speeds during the half or entire game
  • Mean speeds
  • Distances travelled at various speeds
  • Work rates
  • Where the majority of game statistics are gathered

CODA

CODA is the latest addition of products, and it can dramatically change coaching staff's game analysis capabilities.

CODA runs on palm size PDAs and enables you to set up user-defined templates for Live Coding.

Good Points

These are all good for the athletes that take their sport very serious and want to improve in every way possible. In 2007 Chelsea Football Club goalkeeper Petr Cech used video analysis after making a mistake in a London Derby match, after watching the video of watch happened he then decided to improve on the weakness with the advice of his coach.

When using analysis software to scale video frames and locate points of interest frame-by-frame, they are required to make judgments and understand the analysis process.

Video analysis allows for study of two -dimensional motion, such as revolving objects or projectiles.

More than one object can be analyzed in any video, which can lead to detailed comparisons of multiple objects that are in the same system.

Disadvantages

The disadvantages about using video analysis are that all the equipment needed is very expensive and many clubs and sports people may not be able to afford this sort of equipment and the sort of help needed.

Another disadvantage is the they could easily break and therefore will need to be looked after carefully.

Dietary Analysis

Diet is an important part of the overall programme of an elite athlete. Carbohydrates are the source of energy in the majority of sports to some extent and should form the main part of an athlete’s diet irrespective of their sport. A dietary analysis can determine the breakdown of an athlete’s diet in terms of carbohydrate, fat and protein and will also give a very specific analysis of whether there are deficient in any vitamins and minerals. The dietary analysis will enable athletes to make changes to their diet that will promote recovery and enhance performance.

Areas where a dietary analysis may be beneficial:

Weight restricted sports

It is important that athlete’s competing in such sports maintain body weight in a sensible way. Many sports allow athletes to be overweight early on in the competitive year with tighter weight restrictions for the main competitive season. A dietary analysis will enable sports nutritionist to determine what areas of the diet can be altered to help athletes make weight without drastic weight loss, dieting and dehydrating which will all have a negative effect on performance. Dietary analysis combined with a body composition assessment will enable sport nutritionist to be able to determine how much body fat can be realistically lost to help an athlete achieve their target weight in a healthy way.

Sports where increased muscle mass is beneficial

Sports such as rugby, rowing and weightlifting are likely to benefit from an increase in muscle mass (muscle hypertrophy). A dietary analysis will determine whether the amount of calories being consumed is sufficient to build muscle. Additional calories will be necessary to increase muscle mass. However, the quality of the increase in calories must also be maintained to ensure any increase in weight is in lean muscle and not fat. By assessing the diet through a dietary analysis it can determine if the breakdown of foods is optimum to promote an increase in muscle mass (in conjunction with a strength raining regime).

Contrary to belief a substantial increase in protein intake will not enhance muscle mass. The increase in calories should come from low fat carbohydrate choices that contain protein, vitamins and minerals. By combining a dietary analysis with a body composition assessment athletes can insure that any increase in muscle mass is an increase in lean muscle with a minimal increase in body fat.

Body Composition

Excessive body fat has been demonstrated to be associated with such health-related problems as coronary artery disease, hypertension, adult-onset diabetes, obstructive pulmonary disease and osteoarthritis. Too little fatness, as seen in individuals with eating disorders, exercise addition, and certain diseases, such as cystic fibrosis, can also lead to serious physiological dysfunction (Heyward & Stolarczyk, 1996) . Considering the profoundness of the health problems associated with too much or too little body fat, it is no surprise that the assessment of body composition has become a widespread and meaningful evaluation used by personal trainers.

Practical Uses of Body Composition Assessments for Personal Trainers
Heyward and Stolarczyk (1996) suggest the following ways the personal trainer can use body composition measures:

  1. To identify the client’s health risk associated with excessively     low or high levels of total fat
  2. To identify the client’s health risk associated with excessive accumulation of intra-abdominal fat
  3. To promote the client’s understanding of health risks associated with too little or too much body fat
  4. To assess the effectiveness of nutrition and exercise interventions in altering body composition
  5. To estimate ideal body weight of clients and athletes
  6. To formulate dietary recommendations and exercise prescriptions
  7. To monitor growth, development, maturation, and age-related changes in body composition

Blood Analysis ( lactate testing)

The blood lactate profile is the most important predictor of endurance performance potential in steady-state events (e.g. time trials in cycling, cross-country skiing, rowing, speed skating, triathlons and running races, especially marathons). The lactate profile test is the gold standard used by elite endurance athletes to determine optimal training intensities and is the most effective way to track the progress of training. After determining a lactate profile, we will provide training zones based on both heart rate and wattage.

Being able to measure training intensity is the most important thing an athlete can do in order to improve. Taking a blood lactate test at the UF Orthopaedics ands Sports Medicine Institute is the best way to do this. Many athletes and physiologists have used lactate analysis over the last decade as a tool for predicting endurance performance. Specifically, the higher the percentage of VO2max, or the higher the pace at which the lactate threshold occurs, the fitter the athlete.

The lactate test reveals the level of training in which there is balance of producing and using up lactate. The lactate threshold level is a measure of an athlete's maximal steady state, the level of intensity he or she can hold over a period of time for example during a 40-km time trial on a bike or a 10k pace for a runner.

Telemetry Recording

Telemetry systems are ideal for monitoring and recording muscle functionality from long distances without wires or cables. Surface EMG signals are transmitted from the athlete to the recording computer by radio frequency waves from as far as 300 yards. The U.S. Ski Team, professional sports teams, the American Sports Medicine Institute, and others use telemetry systems in their sports research to evaluate muscle function and athletic performance. Their objectives are to prevent injuries, determine optimum exercise routines and speed up a player's recovery time. These are true examples of advanced technology aiding in the analysis of technique to improve human performance.

Performance Profiling

Over the past few years, Performance Profiling has become a new tool in the athlete & coach's armoury. Performance Profiling has three major purposes:

  • To aid in identifying an appropriate intervention.
  • To maximise the athlete's motivation and adherence to the program.
  • To monitor any changes over time.

Performance Profiling comprises of four steps:

  • Step 1 - Coach outlines the Performance Profiling process
  • Step 2 - Athlete identifies the characteristics of an elite athlete for his/her sport/event
  • Step 3 - Athlete rates each in terms of level of importance and self assessment
  • Step 4 - Athlete and Coach analyse the results and agree a way forward

The first step is for the coach to introduce to the athlete the idea of Performance Profiling and how it can help to direct training to areas of specific need. This process can be aided by a sense of mutual trust, and it should be made clear that any information gained about the athlete will remain strictly confidential. Coaches should stress that there are no right or wrong answers involved in the process but that honest appraisal will facilitate a more productive outcome. The coach needs to explain that the process will focus on the athlete's current feelings regarding their preparation for competition.

The athlete becomes actively involved in this step of the process, and the following question should be directed to the athlete:

What in your opinion are the fundamental qualities or characteristics of an elite athlete in your sport/event?

Spend five to ten minutes listing the qualities or characteristics that the athlete feels are important. If an athlete finds this difficult, the coach can use prompts, but it is for the athlete to decide on what characteristics are chosen. The coach should try to get the athlete to list the key psychological factors, but the same process can be applied to technical skills or physical attributes, such as strength, speed, agility, balance etc. In this step, the athlete should try to identify 15 to 20 characteristics.

The next step is for the athlete to rate each of the identified characteristics.

  • On a scale of zero (not at all important) to 10 (extremely important), the athlete rates the perceived importance of each characteristic for an elite performer in their particular sport/event.
  • The athlete uses the same zero to 10 scale to rate their current perception of themselves in relation to an ideal state of 10.
  • A calculation is then carried out to determine the 'Discrepancy' value. The higher discrepancies indicate areas that may need to be addressed through training or other intervention.

The table below provides an example of these calculations for part of an athlete's performance profile.

Characteristics identified by the athlete

Athlete's perceived level of importance
(API)

Athlete's self assessment
(ASA)

Discrepancy
(10-ASA) × API

Confidence

10

8

20

Concentration

9

6

36

Control

10

7

30

Commitment

9

8

18

Refocusing after errors

9

5

45

Enjoyment

8

8

16

For this particular athlete refocusing after errors and concentration are key concerns that could be addressed. This can be via intervention strategies such as self-talk or a quick set routine, depending on the exact circumstances and preferences of the athlete.

Reassessment should always relate to the same characteristics identified in the initial profiling process and be conducted every four to eight weeks.

Performance Profiling can help coaches develop a better understanding of their athletes by:

  • Highlighting perceived strengths and weaknesses
  • Clarifying the athlete's and coach's vision of the key characteristics of elite performance, and highlighting any differences
  • Highlighting discrepancies between the athlete's and coach's assessment of performance
  • Providing a means of monitoring progress

Performance Profiling appears to be a tool that is particularly useful for aiding in the design of specific mental, physical and technical training programs. The central involvement of the athlete in the process is a key strength that may boost motivation and promote adherence to any intervention strategies devised. It may also facilitate the coach-athlete relationship by promoting dialogue and addressing any perceived discrepancies. Additionally, the profile can be used as a monitoring device to assess the effectiveness of any interventions and highlight areas of good and poor progress.

Jason McFaul

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