The purpose of my personal exercise program is to improve my speed and strength that are two integral components of fitness.

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 Aim and purpose for Personal Exercise Program

        The purpose of my personal exercise program is to improve my speed and strength that are two integral components of fitness.  Speed and strength is the ability to exert maximal forces during high-speed movements.  Football is a classic example of a speed/strength sport and this is the sport that I will be concentrating my training on.  As I am a centre forward for my football team I think that my all round fitness as well as my speed and strength will get better due to the plyometric training that I will be using.  Being a centre forward speed is an important part of my game and I hope that if this improves then my all round game would benefit from this as well.  The main muscles I will be concentrating on are my leg muscles e.g. quadriceps, gastrocnemius.  Plyometrics is designed to specifically train the eccentric contraction phase of the muscles action.  I will be testing my prior fitness level for speed using the 60 metres dash because this is a good distance for the burst of pace that a forward needs.  This distance is great for making it past that last defender. Once I have completed my fitness testing I will then start my training over a period of 4 weeks with 2 sessions per week were the last week would be used as another testing session to see if my training has paid of and my speed has improved.  Although I will not specifically be testing my leg strength there should generally be an increase after the training.  Although my testing will mainly be concentrated on speed I will be taking a lot into consideration the improvement of my leg power and this will be a great help to me.  I am not testing this however because it is as not specific as what I want to do for my training.

60 Metres Dash Testing

To reduce the risk of injury and facilitate the strength gains that Plyometrics can give, the athlete must first establish a speed and resistance training base. Beginning Plyometrics too early in the conditioning cycle, or with the inexperienced athlete, can be disastrous.  Several factors need to be considered before beginning a plyometric training program. These factors are:

Physical Maturity of the Athlete

The age of the athlete or the number of years that they have participated does not measure their physical maturity.  The National Strength and Conditioning Association (NSCA) recommends that the strength level for the hips and legs be based on the ability to squat 1.5 to 2.5 the athlete's body weight.  This should be considered the minimum standard for shock - and high-intensity plyometrics.  The upper body levels, according to the NSCA, should be based on the ability to do five continuous clap push-ups. Larger athletes (weight > 250 lbs) should be able to bench press their body weight, while smaller athletes (<165 lbs) should be able to bench press 1.5 times their weight, and athletes of intermediate body weight (165 to 250 lbs) should use gradation of these guidelines.

Coach ability

Coach ability refers to the athlete being able to respond in a positive fashion to instructions and criticism. If not, plyometric training should be delayed to prevent injury, over training, or under training. If the athlete will not respond to coaching direction they oftentimes will not perform the movements properly. This can result in poor training results or injury.

Demands of the Sport

The demands of the sport must be considered when designing the plyometric program. Determine if the sport movements are mostly linear, vertical, lateral, or a combination of these movements.  For example, volleyball players require vertical and lateral movement, while long jumpers emphasize horizontal movement.  The intensity and volume should also be considered in the program design. During a training phase a shot-putter may use low volume and high intensity while the 400-meter hurdler may use moderate volume and intensity.

Fitness Level

 The strength and conditioning level of the athlete must be considered prior to performing plyometrics. If the athlete does not possess sufficient muscular strength or sufficient fitness levels, injury or over training may result.

Other Factors

Several factors should be considered when the decision has been made to begin plyometric training. These should include the sport specific exercises desired, proper footwear, surface types, proper equipment needs, and training area. Other areas of consideration are the frequency, volume, intensity, progression, recovery, and the direction of motion recommendations for the exercises.

Safety includes many areas, including proper footwear, resilient surface, proper equipment, and training area size. Footwear should provide sufficient ankle and arch support to prevent injury.  Running shoes should be avoided due to their narrow sole and poor upper support; cross training shoes are the best for plyometrics.

To prevent injuries, the landing surface should possess good shock-absorbing properties. The best surface is a grass field. A good alternative would be wrestling mats. Wood, tile, concrete, and carpet should be avoided due to their poor shock-absorbing properties. The boxes used for jumps should be sturdy, have a nonslip top, and have rounded edges. The size of the training area depends on the type of exercises being used. Long-response drills may require a straightaway of 100 meters.  Bounding drills require at least 30 meters of straightaway.  For box jumps, adequate ceiling height must be provided.

Warm up

A thorough warm-up is essential prior to plyometric training. This will improve training and help prevent any muscle injuries. Attention should be given to jogging, stretching (static and ballistic), striding and general mobility especially about the joints involved in the planned plyometric session.

Cool Down

After the session is completed the a cool down is required to help slow down the build up of lactic acid.  This is helpful so as your legs do not get stiff. Attention should be given to jogging, stretching (static and ballistic), striding and general mobility especially about the joints involved in the planned plyometric session.

How many?

It is wise not to perform too many repetitions in any one session and since it is a quality session, with the emphasis on speed and power rather than endurance, split the work into sets with ample recovery in between.

Where to do it and what to wear

For bounding exercises use surfaces such as grass or resilient surfaces. Avoid cement floors because there is no cushioning. Choose well-cushioned shoes that are stable and can absorb some of the inevitable impact. All athletes should undergo general orthopaedic screening before engaging in plyometric training. Particular attention should be given to structural or postural problems that are likely to predispose the athlete to injury.

What is plyometrics?

Speed and strength are integral components of fitness found in varying degrees in virtually all athletic movements. Simply put the combination of speed and strength is power. For many years coaches and athletes have sought to improve power in order to enhance performance. Throughout this century and no doubt long before, jumping, bounding and hopping exercises have been used in various ways to enhance athletic performance. In recent years this distinct method of training for power or explosiveness has been termed plyometrics. Whatever the origins of the word the term is used to describe the method of training which seeks to enhance the explosive reaction of the individual through powerful muscular contractions as a result of rapid eccentric contractions.

Muscle Mechanism

The maximum force that a muscle can develop is attained during a rapid eccentric contraction. However, it should be realised that muscles seldom perform one type of contraction in isolation during athletic movements. When a concentric contraction occurs (muscle shortens) immediately following an eccentric contraction (muscle lengthens) then the force generated can be dramatically increased. If a muscle is stretched, much of the energy required to stretch it is lost as heat, but some of this energy can be stored by the elastic components of the muscle. This stored energy is available to the muscle only during a subsequent contraction. It is important to realise that this energy boost is lost if the eccentric contraction is not followed immediately by a concentric effort. To express this greater force the muscle must contract within the shortest time possible. This whole process is frequently called the stretch shortening cycle and is the underlying mechanism of plyometric training. Plyometrics use the elastic properties of muscles and muscle proprioceptor responses to increase the amount of muscle recruited by the neuromuscular system. These responses are obtained when a muscle is stretched immediately before a muscular contraction. A healthy muscle is like a rubber band, when it is stretched it will return to its normal resting position. A muscle also contains a neuroreceptor in the muscle called the muscle spindle. The muscle spindle nerve fibre runs parallel through the muscle fibre. As a muscle is stretched with enough force the muscle spindle nerve fibre is activated and sends a message through a reflex arc in the Central Nervous System which causes that same muscle to contract (muscle stretch reflex). So if a muscle is stretched and immediately contracted in its stretched position, the elastic properties of the muscle and the muscle spindle reaction add to the total force that is produced by the muscular contraction. As with any training program, if plyometrics are performed regularly, then the end result will be greater voluntary muscle fibre recruitment - in other words a quicker, more powerful athlete.

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Choose the method to fit the sport

The golden rule of any conditioning programme is specificity. This means that the movement you perform in training should match, as closely as possible, the movements encountered during competition. If you are rugby player practising for the lineout or a volleyball player interested in increasing vertical jump height, then drop jumping or box jumping may be the right exercise. However if you are a javelin thrower aiming for a more explosive launch, then upper body plyometrics is far more appropriate. As I am a footballer then the leg plyometrics would be far ...

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