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    August 10, 2006

    Bike Training

    From Wikipedia, the Free Encyclopedia

    Bicycles are commonly used by people seeking to improve their
    fitness and cardiovascular health. In this regard, bicycling is
    especially helpful for those with arthritis of the lower limbs and who
    are unable to pursue sports such as running that involve more impact to
    joints such as the knees.

    Cycling while seated is a relatively non-weight bearing exercise that, like swimming,
    does little to promote leg bone strength. Cycling up and out of the
    saddle, on the other hand, does a better job by transferring more of
    the rider's body weight to the legs. This latter style of cycling is
    considered less energy-efficient, and can cause damage to the knees.

    Endurance cycling is an Aerobic exercise, Sprint Cycling is an Anaerobic exercise,
    however both types involve both forms of exercise to some degree and
    can improve cardiovascular health, a measure of cardiovascular health
    is Vo2 max.

    Cycling makes use of the largest muscles in the body (the Gluteus Maximus and Quadriceps)
    so it is good for people who are trying to lose body fat. Exercising at
    low intensity is better for people who want to lose weight as the body
    doesn't have the chance to burn fat at high work rates and will burn
    glycogen instead (although the body will replace the burnt glycogen by
    metabolising body fat as soon as it can - see Krebs cycle).


    It has been estimated that, on average, approximately 20 life-years
    are gained from the health benefits of road bicycling for every
    life-year lost through injury [2].

    Injuries can be divided into 2 types:

    Acute physical trauma includes injuries to the head and extremities resulting from falls and collisions.

    Overuse injuries, including chronic nerve damage at weight bearing
    locations, can occur as a result of repeatedly riding a bicycle for
    extended periods of time. Damage to the ulnar nerve in the palm, the genitourinary tract [3] or bicycle seat neuropathy [4] may result from overuse. In extreme cases, Pudendal Nerve Entrapment can be a source of intractable perineal pain [5].
    Some bicyclists with induced pudendal nerve pressure neuropathy gained
    relief from improvements in saddle position and riding techniques [6].

    Since a large percentage of the collisions between motor and pedal vehicles occur at night, bicycle lighting is required for safety when bicycling at night.

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