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www.duopower.com Demeter Innovación, SL Tel. +34 934 107 322 Fax +34 933 633 689 [email protected]
w w w . d u o p o w e r . c o m
Technical Information
Bicycle Seat
Product description/advantages A 100% ergonomic bicycle seat
Advantages
Product description
Central split
Weight rests on the ischia (bone structure)
No nose
Avoids contact/ pressure on the perineal area
Better body position Better pedalling performance
Bicycle Seat
Offers greater control
Minimises back disorders
Increases power
Avoids disordersin the perineal area
Allows 3D movement of the hips
Knees work correctly
Reduces knee problems
Disorders in the perineal area
- Continuous friction – pressure and micro-injury or significant injury (falls, pedal slip, etc.) - Body weight – rests on this area e.g. An individual weighing 70 kg in a fall from a height of 45 cm at 7.5 mph receives a sudden impact equivalent to 250 kg weight on the perineum.
Skin disorders (both sexes) - Sebaceous cyst: a subcutaneous infection in a blocked sebaceous gland - Hidradenitis suppurativa: a multiple infection of the sweat glands in the groin due to friction plus profuse sweating - Acne conglobata: an inflammation of comedones with suppuration in the gluteal area - Folliculitis: an infection of hair follicles due to friction and/or heat plus sweating - Dermatitis induced by prolonged friction with unsuitable underwear, often of synthetic fabrics - Ischial bursitis: inflammation of the bursa between the ischial tuberosity and the gluteus maximus due to repeated micro-injury
Urethral disorders - Traumatic urethral inflammation – Haematuria (blood in urine) - Traumatic urethral injury - Traumatic urethral stenosis - Painful ejaculation
- Particularly in professional long distance or mountan bike competition cyclists - Particularly dangerous in children: - they conceal their fall or pain so parents do not forbid them to ride - they use inappropriate bicycles lent by older children
Nerve disorders (compression of the pudend al nerve and other sensitive cutaneous nerves) - Temporary impotence (or permanent if injury is severe) - Penis insensitivity - Paraesthesia and anaesthesia of the genitals: scrotum in men and perineal anaesthesia in women
Female skin / genital disorders - Worsening of existing dermatological situations - Vulvitis (inflammation of the vulva) - Bartholinitis: inflammation – suppuration of a vulvovaginal gland - Urethral meatitis - Temporary dyspareunia (painful intercourse)
Bicycle Seat
Pathology induced by contact with the perineal area in cycling
Comparison of Duopower and a conventional seat Top view
Duopower Bicycle Seat
Conventional seat
cross-section of a traditional seat
Comparative diagram (area of support) Conventional seat (weight resting on the perineal area)
ischial tuberosity
cross-section of the new seat
Duopower seat (weight resting on the ischia)
Whereas in the conventional seat the weight rests on the perineal area (below), in the Duopower seat it rests on the ischia – two points of support – (right), avoiding all pressure on the perineal area and the problems that this causes.
Though some conventional seat designs provide support for the ischia in order to minimise the impact on the perineal area, some contact still exists, unlike in the Duopower seats.
Adaptation period - Duopower represents a change in the points of support on the seat, so it is very important to observe a suitable adaptation period (3 to 10 days) to allow the users to take full benefit of the advantages that it offers.
Fitting the seat - The height must be adjusted to the right distance between the seat and the pedals to avoid forcing your knees. - The seat should be adjusted so that the body rests on the ischia and the legs can work freely. - If you feel friction on the inside of your thighs, set the seat back slightly. - The inclination of the seat must be chosen by each user. If you notice excess effort in your arms, choose a more horizontal position.
Bicycle Seat
Basic information for users
w w w . d u o p o w e r . c o m
Technical Information
Bicycle Seat
Product description/advantages A 100% ergonomic bicycle seat
Advantages
Product description
Central split
Weight rests on the ischia (bone structure)
No nose
Avoids contact/ pressure on the perineal area
Better body position Better pedalling performance
Bicycle Seat
Offers greater control
Minimises back disorders
Increases power
Avoids disordersin the perineal area
Allows 3D movement of the hips
Knees work correctly
Reduces knee problems
Disorders in the perineal area
- Continuous friction – pressure and micro-injury or significant injury (falls, pedal slip, etc.) - Body weight – rests on this area e.g. An individual weighing 70 kg in a fall from a height of 45 cm at 7.5 mph receives a sudden impact equivalent to 250 kg weight on the perineum.
Skin disorders (both sexes) - Sebaceous cyst: a subcutaneous infection in a blocked sebaceous gland - Hidradenitis suppurativa: a multiple infection of the sweat glands in the groin due to friction plus profuse sweating - Acne conglobata: an inflammation of comedones with suppuration in the gluteal area - Folliculitis: an infection of hair follicles due to friction and/or heat plus sweating - Dermatitis induced by prolonged friction with unsuitable underwear, often of synthetic fabrics - Ischial bursitis: inflammation of the bursa between the ischial tuberosity and the gluteus maximus due to repeated micro-injury
Urethral disorders - Traumatic urethral inflammation – Haematuria (blood in urine) - Traumatic urethral injury - Traumatic urethral stenosis - Painful ejaculation
- Particularly in professional long distance or mountan bike competition cyclists - Particularly dangerous in children: - they conceal their fall or pain so parents do not forbid them to ride - they use inappropriate bicycles lent by older children
Nerve disorders (compression of the pudend al nerve and other sensitive cutaneous nerves) - Temporary impotence (or permanent if injury is severe) - Penis insensitivity - Paraesthesia and anaesthesia of the genitals: scrotum in men and perineal anaesthesia in women
Female skin / genital disorders - Worsening of existing dermatological situations - Vulvitis (inflammation of the vulva) - Bartholinitis: inflammation – suppuration of a vulvovaginal gland - Urethral meatitis - Temporary dyspareunia (painful intercourse)
Bicycle Seat
Pathology induced by contact with the perineal area in cycling
Comparison of Duopower and a conventional seat Top view
Duopower Bicycle Seat
Conventional seat
cross-section of a traditional seat
Comparative diagram (area of support) Conventional seat (weight resting on the perineal area)
ischial tuberosity
cross-section of the new seat
Duopower seat (weight resting on the ischia)
Whereas in the conventional seat the weight rests on the perineal area (below), in the Duopower seat it rests on the ischia – two points of support – (right), avoiding all pressure on the perineal area and the problems that this causes.
Though some conventional seat designs provide support for the ischia in order to minimise the impact on the perineal area, some contact still exists, unlike in the Duopower seats.
Adaptation period - Duopower represents a change in the points of support on the seat, so it is very important to observe a suitable adaptation period (3 to 10 days) to allow the users to take full benefit of the advantages that it offers.
Fitting the seat - The height must be adjusted to the right distance between the seat and the pedals to avoid forcing your knees. - The seat should be adjusted so that the body rests on the ischia and the legs can work freely. - If you feel friction on the inside of your thighs, set the seat back slightly. - The inclination of the seat must be chosen by each user. If you notice excess effort in your arms, choose a more horizontal position.
Bicycle Seat
Basic information for users
