Qualitative Analysis Of An Overhead Throw Physical Education Essay

Qualitative Analysis Of An Overhead Throw Physical Education Essay Overhead throw is an important fundamental movement in many sports. It is categorized to be one of the early fundamental manipulative motor skills for every child to develop (Kathleen, 2004). This skill can be transferred to many other sports such as tennis serve, javelin throw and baseball pitching. The throw can be assessed either for accuracy (e.g. baseball pitching) or for distance (e.g. javelin throw) and there are some critical features that need to be present in the throw in order to achieve an optimum throw. In this study the goal is to achieve maximum distance and hence it is important to consider the law governing projectile motion which is angle of release, height of release and velocity of release. In qualitative studies, we use critical features or elements to cue the presence of these 3 features. The presence of upward ball path, the fully extended elbow in the throwing hand and the accelerated overhead arm swing are some of the actions to cue presence. Critical features or elements are based on biomechanical factors that create the throw movement and are usually derived from quantitative analysis studies of throwers. One such factor is kinetic open chained movement where body segments or joints move in a combination. The movement involves chaining segmental movements such that the last segment is free to move E.g. in a kicking ball action, the hip flexes with the knee extends and dorsi-flexes during the kicking action and the relax arm action during an overhead throw. Another biomechanical factor is the concept of kinetic-link and stretch shorten cycle where there is an interaction of a linked system of body segments. (Kreighbaum and Barthels, 1985; Steindler, 1955). Each segment need to move in a sequential coordinated manner with precise timings of acceleration of proximal segment so as to transfer energy to distal segment. In qualitative studies, physical education teacher and coaches observe these critical features for quick assessment on the overhead throw or other activity. Qualitative analysis is much preferred than quantitative analysis as it is not feasible and practical for physical education teachers and coaches to adopt quantitative analysis. There are many issues concerning using quantitative analysis such as time, cost, practicality and even ethical. Some parent may not be comfortable with their child being taken into lab for collection of data. One major advantage of qualitative analysis is that it allows skill to be assessed as a whole as the proficiency of some movement may be involving the interaction of every critical feature. In motor development milestone studies, qualitative studies take the approach of observing the critical features and analyze it with the motor skills developmental milestones. Getchell, 2005, motor development experts formulate logical decision tree checklist to a ssess the maturity of the critical features. Another method is to compare the performer with and expert, this allows the skill gap to be more visible. Intervention can later been drafted effectively to improve performance by emulating the technique of the expert. Objectives The objective of this study is to show the use of qualitative analysis in improving a child (subject age 6) overarm throw. The throw will be maximal effort, thrown for distance. The comparison model will be of an adult expert thrower (subject age 30). Intervention will be suggested based on the qualitative analysis to improve throwing technique. Methodology This study adopted Knudson Morrisons four-task integrated qualitative analysis model of preparation, observation, evaluation/diagnosis and intervention. Prior to the activity, an observational check list (Fig 2) was drafted using Gangstead and Beveridge, 1984, D. Knudson C. Morrison, 1996 and Haywood Getchell, 2005 model of an overhead throw. In this check sheet, the overarm throw was broken up into 3 phases which are preparation, action and follow through phases. Critical features for each phase were listed to assist in the observation and evaluation of the throw. An adult expert thrower was used for comparing the childs throw. Each component and phases were evaluated objectively with a score of poor, average and good. The adult and the child performer was tasked to do overarm throws (n=3) with maximal effort and distance of each throw was recorded using a standard 50m measuring tape. Maximal effort throw was chosen as the type of activity rather than throw for accuracy as the latter may be a difficult skilled task for the child. These eliminate the concern for motor developmental stage of the child. Children sponge tennis balls were used as projectile. Due to the experience level and language limitation of the child, he was given verbal instructions and a demonstration of the activity. The adult and child thrower performed the throws at two different locations due to childs parents consents. Video of each throw was recorded using a Sony digital camcorder model: Model: DSR-PDS10P using a 2-dimensional analysis camera setup. The video data was analyzed qualitatively using the checksheet and the software use is a standard computer integrated media player, window media player. Results Fig 1: Sequential phases of expert and child throw Child achieved an average of 8.58m as compared to the expert thrower with 20.5m (Fig 3). From Fig 1 2, sequential phases and observational checklist, the child showed a different movement pattern from the expert and score poorly in terms of path of hub, bodyweight transfer and movement of the legs and trunk during the preparation, action and follows through phase. There is an absence of trunk utilization throughout the 3 phases. During the preparation and action phases, the child exhibited a poor homolateral lower body action where he bent his knee of the same side as the throwing hand. In addition, there were no bodyweight transfer and leg drive by the child in the preparatory and action phases. On the other hand, the child showed similar upper body movement pattern in the action and follow through phase. There was an arm and humerus lag during the action phase. There was acceleration of his throwing arm in forward direction. The ball was released in an incline with his arm fully extended at the top of his head. The whole movement was accelerated, smooth and continuous. During the follow through phase, his arms swung across the body and relax. The child scored well in critical features of arm actions and the release of ball. As a whole, he show competency in the action phases with an average score and scored well in the follow through phase with a good score. Fig 3: Throw Distances Fig 2: Observational Checklist Intervention The child has good upper body technique and if the child is able to throw consistently with this technique. Improvements could be made in leg drive, contral lateral leg action, sequential coordination, and angle of release. Practice should consist of a combination of games approach (GCA) and drills bearing in mind his age and motivational level. The whole throwing sequence can be broken down into parts to simplify learning. One example practice to improve leg drive and contral lateral leg action is by putting visual cues like colour spots or numbering spot for them to step on. Next, improvement of the angle of release can be taught by putting target on the wall and the child needs to throw toward the target. Different target height can be put so as to allow the child to explore and experience different angle of release. The presence of targets allows the child to direct his attention to the effects to the ball trajectory (external focus of attention) rather than directing their atten tion to their arm throwing form (internal focus of attention) hence making learning more effective (Wulf Prinz, 2001). Sequential coordination should be the last to be taught as for many high-speed movements, it is the last refinement area for optimal performance. It said that development of sequential action will be limited until energy from the lower extremity can be channeled up to the body (Morrison Knudson, 2002). Before introducing the intervention, there should be some consideration in terms of his age and developmental milestones. There is a need to individualize the teaching and feedback hence his training should not be mixed with other children unless being group with similar profile. This is because children of the same chronological age may differ in developmental level and physiological age (Getchell, 2005). Models of good throw as a whole or segments need to be shown with good critical cues used during practice, research show that this can improves performance and learning best in children (Fronske, 1995; Masser, 1993; Weiss, 1982). Appropriate augmented feedback need to be given by identifying both strength and weakness with strength to be praised before reinforcement. According to Throndikes law, 1927, people tend to repeat responses that are rewarded and avoid responses that are punished. Evaluation, diagnosis and re-observation need to be done regularly to monitor progression. In addition, record keeping of the whole movement and critical features progression through observation check sheet provide reference to coaches and teacher on the progression of learning. Video recordings or pictures can be also be adopted to provide visual feedback to the child. This allows reflective learning which further enhances learning. Discussion From this study, we can clearly see the practicality and the feasibility of qualitative studies in an activity. It is a low cost and quick way of skill and technique improvement process. As teachers and coaches, the use of video and checksheet can help to record and observe large number of students at the same time. The video data can then be viewed at a convenient time. With the current technology, the video can be played in slow motion where critical features can be objectively assessed. In the event of shortage of manpower, the use of observational checksheet allows the coaches and teachers to share the evaluation workload with other teachers or senior students without compromising the objectivity and validity of the evaluation. In addition, the videos and observational checksheet allow record keeping of subject performance for future development and studies. Exemplary skills can be shared and showed to future students and trainee for modeling purposes. The possible challenge to the use of qualitative analysis is the perception its effectiveness. Teacher and coaches may perceive qualitative assessment may not be very objective as it is not absolute. When it comes to grading or selection exercise, the subject of fairness is questionable. There will be some resistance to the use of video analysis as some may find it difficult to use. To tackle these two issues, qualitative analysis can be made more objective and assessment friendly by having more details description in the observational checklist. As for the difficulty in using video, more training can be given to teacher and coaches. They can also be attached a mentor to assist. The proficiency will eventually be improved with more practice.

Dr. Jekyll And Mr. Hyde Essay -- essays research papers

Dr. Jekyll And Mr. Hyde   Ã‚  Ã‚  Ã‚  Ã‚  In the novel Dr. Jekyll and Mr. Hyde, by R. L Stevenson, a story of mischief and selfishness occurs. It's like this, there is a man called Dr. Jekyll he doesn't like who he is so one day he thinks of a potion that makes his good part split away from his bad part. That is when Mr. Hyde comes into the picture, he is the bad part of Dr. Jekyll. Mr. Hyde likes to party have a good time and cares less about others, but Dr. Jekyll is a caring Doctor whom everybody adores and loves. Mr. Hyde gets himself into a lot of trouble in this story for example he gets a man killed and pushes down little girls for fun Mr. Utterson, a lawyer and a friend of Dr. Jekyll's, finds something peculiar about Dr. Jekyll and decides to keep a close watch on him.   Ã‚  Ã‚  Ã‚  Ã‚  One day the potion stops working for Dr. Jekyll and he can't turn back into himself , he stays in the body of Mr. Hyde, the dreadful, ugly, little midget whom nobody likes. He decides to hide in his study upstairs and tells his servants that he is really sick and contagious and tells them to stay away from the study where hopefully nobody will see him. The only source of communication is the notes he writes to his servants.   Ã‚  Ã‚  Ã‚  Ã‚  One day Mr. Utterson and the servant break down the door of the study to find out if it really is Dr. Jekyll in that room. To their surprise it is Mr. Hyde with a bottle of poison. He had committed suicide bef... Dr. Jekyll And Mr. Hyde Essay -- essays research papers Dr. Jekyll And Mr. Hyde   Ã‚  Ã‚  Ã‚  Ã‚  In the novel Dr. Jekyll and Mr. Hyde, by R. L Stevenson, a story of mischief and selfishness occurs. It's like this, there is a man called Dr. Jekyll he doesn't like who he is so one day he thinks of a potion that makes his good part split away from his bad part. That is when Mr. Hyde comes into the picture, he is the bad part of Dr. Jekyll. Mr. Hyde likes to party have a good time and cares less about others, but Dr. Jekyll is a caring Doctor whom everybody adores and loves. Mr. Hyde gets himself into a lot of trouble in this story for example he gets a man killed and pushes down little girls for fun Mr. Utterson, a lawyer and a friend of Dr. Jekyll's, finds something peculiar about Dr. Jekyll and decides to keep a close watch on him.   Ã‚  Ã‚  Ã‚  Ã‚  One day the potion stops working for Dr. Jekyll and he can't turn back into himself , he stays in the body of Mr. Hyde, the dreadful, ugly, little midget whom nobody likes. He decides to hide in his study upstairs and tells his servants that he is really sick and contagious and tells them to stay away from the study where hopefully nobody will see him. The only source of communication is the notes he writes to his servants.   Ã‚  Ã‚  Ã‚  Ã‚  One day Mr. Utterson and the servant break down the door of the study to find out if it really is Dr. Jekyll in that room. To their surprise it is Mr. Hyde with a bottle of poison. He had committed suicide bef...

5 Ps of Logistics

Logistics Careers ShareThis Distribution and logistics encompasses a vast industry, from manufacturing, transportation, wholesale and retail, healthcare, pharmaceutical and warehousing industries. In any firm, in any city or state logistic careers are numerous. The demand for getting things on time is logistics and distributions main goal. There are plenty of workers involved in this operation. There are drivers, fork lift operator, sorter, packers, haulers, supervisors, managers,  clerks; traffic, receiving and shipping. In 2010, there are more than 800,000 workers employed in logistics.The US military is also one of the largest employers especially in cities where there are military installations. This article will briefly describer the most common logistics jobs  in the industry. Shipping, traffic, and receiving  clerks  are the most numerous  logistics careers. Their responsibility is to make sure they keep the smooth flow of goods from place to another. They unpack and pack items for storage and delivery, and carry out clerical functions altogether. They also maintain precise records of good coming in our going out of the distribution centers or warehouse.Manufacturing, wholesale, and retail industries are the most common workplaces of the traffic, receiving, and shipping clerks. They receive the items from the suppliers and ship the goods to the customers. In larger companies receiving, shipping and traffic clerks are performed independently. In smaller firms, all three functions are carried out by one person only. Logistics careers  like the shipping clerk are responsible for shipping the goods from the warehouse to the customers. The check the items carefully that is retrieved from the warehouse or stockroom and makes sure the list are in order for each customer.If the items or goods are not available, he or she alerts the customers by phone fax or email. The items are then packed and checked again for shipping. The items and parcels are wei ghed and then recorded, labelled, and include other documents such as freight cost, invoice and receipts. They also supervise the loading of merchandise on delivery trucks ready for delivery. The receiving clerk on the other hand works much like the shipping clerks. They receive the goods delivered and check it carefully to see if the items delivered are correct and in good shape.They check the items delivered against the order form and invoice. If the receiving clerk finds the items damaged or lost, he or she immediately notifies the shipping firm to compensate for the damaged or lost goods. The receiving clerk is responsible for moving the goods from the delivery truck on to the stock room or warehouse. The maintain records of the items received for later checking. Receiving clerks also use bar coding to track the items accurately. This makes it easier for inventory clerk to keep track of the items present in the warehouse.The receiving clerk may use software for the job. Computer training is also important for many firms for streamlining the operations. The traffic clerks are responsible for maintaining the shipping records. They are responsible also for recording the items’ freight charges, weight, and destination of the goods. They use software to track changes on freight charges against the current prices in their database. They also keep records of damaged goods fro claims purposes or reimbursements for overpriced charges during shipping. These are the three most common  logistic careers  in distribution.A  high school diploma  is required for logistic careers as shippers, receivers, and traffic clerks. Basic knowledge of computer operation training is also part of the job training. Shippers, receivers, and traffic clerks should be well built for the job because it involves a lot of lifting and walking all day. Most of the training is received on the job such as labeling, bar-coding, encoding, maintaining records, shipping, and receiving items. The annual average salaries for shippers, traffic, and receivers range from $40,000 and $45,000 dollars. These salaries depend much on the size of the company.Larger companies’ salary is much higher. Just because you already got the job that you are eyeing for doesn’t mean you have to stop networking. In fact, when you start in your new job you need to start networking because you’re going to be judged early so if you want to be judged as someone who wants to make things happen, introduce yourself to your coworkers to increase your visibility without appearing pompous. You can find more logistic job listings by visiting LogisticsCrossing. com and signing up for a risk free trial today to find jobs that are just right for you!If you become a  medical file clerk, you will be a part of a very important function in the health care field. In this position, you are required to take charge of medical documents that are very important. A lot of medical file cle rks are also in charge of a variety of other clerical duties are required to possess clerical skills that are needed to be performed in the office. Function As a medical file clerk, you are required to maintain patient medical records and have them organized alphabetically and numerically. You will also have to clear out old files and materials in the office.It is important that they keep all files updated. They are also required to ensure that all files are filled out thoroughly. Geography Medical file clerks  work within different settings, including hospitals, government agencies, labs, private physician practices and nursing homes. Considerations In order to become a medical file clerk, you will have to have a  high school diploma. It is also required that you have office and computer experience. You must have good people skills and communication skills. You will have to be organized and like the idea of helping others.Time management is another skill set employers look for. Expert Insight The average annual salaries of medical  file clerks  was $23,800 back in 2008. The salaries available all depend on where you live, who you are employed by and your experience and educational background. | | | | | | | | | | | SUMMARY Logistics careers means distribution and logistics encompasses a vast industry, from manufacturing, transportation, wholesale and retail, healthcare, pharmaceutical and warehousing industries. In any firm, in any city or state logistic careers are numerous.Logistics management  is an important part of the business operation where the flow and storage of goods is carefully planned, implemented and controlled. This helps it to be efficient and effective. Other services and other important information are related between the starting point and the point of consumption to meet the personal and legal requirements of the client. Thus  logistics manager jobs  and  logistics analyst job  opportunities are very important and in-dema nd nowadays. If you will only take your time to search, you can find a lot of  logistics manager  vacancies if you only know where to find them.There are plenty of workers involved in this operation. There are drivers, fork lift operator, sorter, packers, haulers, supervisors, managers, clerk, and traffic, receiving and shipping. In 2010, there are more than 800,000 workers employed in logistics. If you become a  medical file clerk, you will be a part of a very important function in the health care field. In this position, you are required to take charge of medical documents that are very important. A lot of medical file clerks are also in charge of a variety of other clerical duties are required to possess clerical skills that are needed to be performed in the office.This article will briefly describer the most common logistic job  in the industry. Other than that, logistics careers like the shipping clerk are responsible for shipping the goods from the warehouse to the cus tomers. The check the items carefully that is retrieved from the warehouse or stockroom and makes sure the list are in order for each customer. If the items or goods are not available, he or she alerts the customers by phone fax or email. The items are then packed and checked again for shipping. The items and parcels are weighed and then recorded, labelled, and include other documents such as freight cost, invoice and receipts.They also supervise the loading of merchandise on delivery trucks ready for delivery. Besides that, a  high school diploma  is required for logistic careers as shippers, receivers, and traffic clerks. Basic knowledge of computer operation training is also part of the job training. Shippers, receivers, and traffic clerks should be well built for the job because it involves a lot of lifting and walking all day. Most of the training is received on the job such as labelling, bar-coding, encoding, maintaining records, shipping, and receiving items. Make sure to understand the job descriptions for the different vacancies.Logistics manager jobs,  also called distribution managers, oversee or supervise the distribution, transportation and storage of goods and services and ensure that the customers, whether it is suppliers or consumers are satisfied. They are in charge of everything that is happening in between the manufacturer or producer and consumer. This includes the acquisition of materials, production, and transportation up until distribution to the customers themselves. Logistics analyst  jobs deal with the planning and coordination of  logistics operations  of a company.They have to study and analyze operations such as acquisition of raw materials, distribution and packaging of products and the handling of products by personnel. Just because you already got the job that you are eyeing for doesn’t mean you have to stop networking. In fact, when you start in your new job you need to start networking because you’re going to be judged early so if you want to be judged as someone who wants to make things happen, introduce yourself to your co-workers to increase your visibility without appearing pompous.

John Joyce s A Portrait Of An Artist - 2317 Words

A Different Kind of Masculine According to the Oxford dictionary, masculinity is defined as possession of the qualities traditionally associated with men: handsome, muscled, and driven, he s a prime example of masculinity synonyms: virility, manliness, maleness, machismo, vigor, strength, muscularity, ruggedness, robustness, testosterone. Today masculinity encompasses more synonyms perhaps but not too many. Boys are still teased for letting their mothers kiss them, preferring the cello to football, writing poetry instead of not writing at all. This definition leaves out a whole range of men sensitive or not. This definition is putting men into a narrow category that needs to change. The fight for feminism is still being fought and has†¦show more content†¦Whether right or not these stories are what young men have as examples of what to be. Masculine culture has warped the attitudes of boys for centuries giving them one path to follow on their way to manhood. Ireland is famous for its rich folklore and st ories. One of the most popular is that of the war hero and god-like masculine Cu Cà ºchulainn. During a great battle with his kinsman and army he is gravely wounded. He is gutted and his entrails lay before him on the ground. He knew he was going to die but did not want to die lying down. As legend goes Cuchalainn put his bowels back into body and tied himself to a boulder in order to finish the fight and die on his feet. The story of Cuchilainn’s death is just one of many like it representing brave strong Irish men that would continue to give Irish boys a figure of excellence to aspire to. There are plenty of tales of super heroes, war heroes, knights and men doing masculine chores but men who discover create and teach seem to be overlooked and cast aside as feminine. Stories and literature of the time was written by telling events to drive the story onward. For example in the story of Cuchalainn’s death, each action of the story lead up the his actual fall and death. It was rare to read a novel driven by thought and emotion. James Joyce was part of the early modernist movement of the twentieth century. A prominent characteristic of this movement involved rejecting the