Page 8 - Chapter_12
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per minute, with  duration of training  ending   SpeeD—Definition, typeS anD methoDS
        45 minutes on an average. Below is given a   to Develop SpeeD—acceleration run
        structure of an example of Fartlek training.  anD pace run
        — —Jogging for 5 to 10 minutes followed by a   Speed  may  be  defined  as  the  ability  of  an
            freehand exercises for various parts of the   individual  to  perform  a  movement  of  same
            body for 4 to 6 minutes as a warming up   pattern at a faster rate. It is the ability of the
            process.                                 body as fast as possible, especially in running.
        — —Steady  running over  a  distance  of  800  m   Different sports skills require different types of
            to 1200 m followed by brisk walking for 5   fast and quick movements speed of movement
            minutes.                                 is much more then the running speed. It also
                                                     includes the body parts, such as the explosive
                                                     strength of  javelin thrower, body across  the
                                                     throwing circle or the speed of a bowler in-
                                                     hand ball. Speed of the individuals vary as per
                                                     the functioning of their nervous system. It is
                                                     characterised by maximally  quick alteration
                                                     of contraction and relaxation of muscles. It is
                                                     not easy to train a sportsperson in speed as it
                                                     is developed by their endurance and strength.
                                                     Speed is determined by the following:
                                                     — —The Fast-twitch muscle fibres dominate the
                                                         speed of an individual. It is a genetic factor.
                                                         Hence, sprinters are supposed to be better
                  Fartlek method of training
                                                         in speed than other people.
        — —Jogging again, separated by 40 m to 50 m   — —The proper coordination between  motor
            sprint. This step should be repeated until   and sensory nerves, as speed is produced
            you feel tired.                              by quick alteration between contraction
                                                         and relaxation of muscles. The nervous
        — —When you are tired, the jogging speed
            slows  down.  This  continues for 3 to 5     system marks as per this particular activity.
            minutes.                                     Hence, the motor nerves should have a
                                                         powerful rapport with the sensory nerves.
        — —Running uphill over  a  distance  of  80-100   — —It depends on the individual’s explosive
            m. opted by jogging downhill.
                                                         strength. The greater the explosive
        — —Slow walk for 5 minutes, followed by fast     strength, the higher is the speed.
            running for about one minute.
                                                     — —The flexibility and durability of the muscles,
        — —To limber down, one can jog for about 1       they should be able to do a wide range of
            to 1.5 km and end off the session with free   movement.
            hand and stretching exercises.           — —An individual has a ready supply of energy
            The  fartlek method  also  improves  the     during the competition or exercise.
            endurance of the  athlete’s cardiovascular   — —The world ethic and personal attitude of an
            system and develops both  aerobic and        individual.
            anaerobic  fitness.  It  focus  an  increasing
            flexibility with its variations on strategies. If   types of Speed
            undertaken without supervision, accidents   There are following types of speed:
            and injuries are likely to occur.        1.  Reaction Ability: Reaction ability is defined
                                                         as the ability to respond correctly and

       8 Physical Education
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