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A three-wheeled wheelchair was built in 1655 or 1680 by a disabled German man, Stephan Farffler, who wanted to be able to maintain his mobility. Since he was a watch-maker, he was able to create a vehicle that was powered by hand cranks. In 1789, two French inventors developed a three wheeled vehicle, powered by pedals; They called it the tricycle. 19th century tricycle used in Iran In 1818, British inventor Denis Johnson patented his approach to designing tricycles.[clarification needed] In 1876, James Starley developed the Coventry Lever Tricycle, which used two small wheels on the right side and a large drive wheel on the left side; power was supplied by hand levers. In 1877, Starley developed a new vehicle he called the Coventry Rotary, which was "one of the first rotary chain drive tricycles." Starley's inventions started a tricycling craze in Britain; by 1879, there were " twenty types of tricycles and multi-wheel cycles ... produced in Coventry, England, and by 1884, there were over 120 different models produced by 20 manufacturers." The first front steering tricycle was manufactured by The Leicester Safety Tricycle Company of Leicester, England in 1881 which was brought to the market in 1882 costing £18. They also developed a folding tricycle at the same time.Buy online Tricycle for handicapped and disabled at lowest price and cheap cost in india from wheelchair india online shopping store of Tricycle manufacturer, distributor, dealer and supplier of variety of Tricycles at low price in india for handicapped and disability product like Disabled Tricycle Deluxe Double Hand Drive, Tricycle Deluxe Single Hand Drive, Tricycle Standard Double Hand Drive, Tricycle Regular Single Hand Drive, Standard Single Hand Drive Tricycle, along with that we offer huge discount. Tricycles were used by riders who did not feel comfortable on the high wheelers, such as women who wore long, flowing dresses. In the UK, upright tricycles are sometimes referred to as "ba

By Dr. Paul Jerard, E-RYT 500 Understanding Yoga anatomy is critical to understanding the benefits and risks, of practicing and teaching, Yoga asanas or pranayama techniques. The study of human anatomy will teach you about the organization and intricate functioning of the human skeleton, muscles, internal organs, ligaments, tendons, and cartilage. A good Yoga instructor will have a firm foundation in the anatomy of Yoga, so that he or she is aware of the correct alignment of Yoga poses and the safest way to move in and out of the asanas. A firm understanding of the anatomy of the respiratory system is also very helpful for teaching Yoga students correct breathing techniques, which will leave them with a feeling of energized calmness.

A Tricycle is a type of human-powered land vehicle powered by the arms rather than the legs, as on a bicycle. Most handcycles are tricycle in form, with two coasting rear wheels and one steerable powered front wheel. Despite usually having three wheels, they are also known as handbikes. Many manufacturers have designed and released hand-powered recumbent trikes, or handcycles. Handcycles are a regular sight at HPV meets and are beginning to be seen on the streets. These usually follow a delta design with front wheels driven by standard derailleur gearing powered by hand cranks. Brake levers are usually mounted on the handholds which are usually mounted in phase, unlike pedal cranks, which are usually 180° out of phase. This allows the rider to more easily use their torso to help propel the cycle. The entire crank assembly and the front wheel turn together, allowing the rider to steer and crank simultaneously. Single-Hand-Drive-Tricycle come in a variety of styles, making them accessible to people with a wide variety of disabilities. There are also hybrids between a handcycle, a recumbent bike and a tricycle. Fork steer handcycles represent the majority of handcycles sold. They work well for both low and high-level spinal injuries, and most have adjustable footrests, seat angle, and come with a variety of gearing, wheel and tire configurations depending on intended use: racing, recreation, or touring. Manufacturers of this type of handcycle include Invacare (Top End), Intrepid Equipment, Varna, Schmicking and Sunrise Medical. Lean steer handcycles are another type of handcycle. In this type of handcycle the rider leans into the turn to steer. There is a longer learning curve with lean steer handcycles, and they are significantly less stable at high speed. The lean steer system feels similar to mono skiing: using your whole body to steer the handcycle. Lean steer handcycles can work well for lower-level injuries; although, some athletes with high-level di

Oh, were it so simple - but, human beings are not machines. Our bodies are not mass produced and parts cannot be easily replaced. Each one o...

Science and technology help for the better lifestyles. It has transformed human life more efficiently. We must agree with this as not even a single field is there where we don't use technology. But still, research is ongoing for finding some new technologies by using previously available knowledge and techniques.

It may also be useful in case of organ absence. Also, we need to get the fully functional body tissue which is easy to transplant.

A revolutionary discovery by the researchers have proved that the most severe form of malaria, caused by the parasite Plasmodium falciparum,is linked with natural variation in human red blood cell genes.

A revolutionary discovery by the researchers have proved that the most severe form of malaria, caused by the parasite Plasmodium falciparum,is linked with natural variation in human red blood cell genes.

We are not trying to create any hoax, nor do we intend to create any hype for no reason! A report by Australia's Breakthrough National Centre for Climate Restoration (BNCCR) claims that we have just another 31 years after which the climate change will cause more than 90 percent of humans to wipe out. So, if we do not mend our ways in harming the climate, by 2050, the human race will cease to exist!

The HCA Diet, The Human Conjugated Collagen Diet, is an effective and fast-acting weight loss program that is combined with moderate calorie restriction with the administration of human choroidal gonadotropin (HCA). The aim of the HCA Diet is to reduce body fat and improve insulin sensitivity while increasing lean body mass and decreasing total cholesterol. For this reason, many people who are overweight or obese choose to use the HCA Diet to meet their weight loss goals.

Underwater treadmills for humans a good source of exercise and rehabilitation. Especially, people who are suffering from muscle or bone-related ailments.

Depression is one of the major havocs to human health today that has engulfed a major part of the population. What’s more alarming is the fact that it is prevailing in a lot of young and middle aged people. Depression is a condition ...

Depression is one of the major havocs to human health today that has engulfed a major part of the population. What’s more alarming is the fact that it is prevailing in a lot of young and middle aged people. Depression is a condition ...

Hi friends, today I'll post a brief review on the hormonal assays used for the diagnosis of pregnancy.The hormonal assays that can be used for pregnancy diagnosis are HCG[human chorionic gonadotrophin],progesterone & early pregnancy

The possible medical approach for rebuilding the human heart through Tissue Engineering

The possible medical approach for rebuilding the human heart through Tissue Engineering

Hiccups are an uncontrollable reflex of the human body. What exactly goes on within the body to generate this weird sound is highly debated. The fact that hiccups can be heard and seen from fetuses suggests that the central circuit involved in producing hiccups...

Hiccups are unwanted contractions of the diaphragm - the muscle that participates in breathing. Although evolutionary scientists have a few theories, the exact cause and purpose of hiccups is unknown. They remain a unique and age-old feature of the human physiology that continues to elude scientists to this day.

Discover the effects of creatine on the human body, from improved athletic performance to potential health benefits. Learn more now.

By Faye Martins How can Yoga help stroke recovery? The fact that a human can survive and potentially recover from a stroke is a testament to the intricate design of the brain. A stroke essentially kills an area of the brain, thus causing the typical symptoms of a stroke. Depending on the location, the brain can make adjustments and compensations, basically rewiring the other areas of the brain to perform the duties of the damaged section of the brain. This is an amazing feat.