That really depends upon the bike. The seating position is usually one of the major factors they take into consideration when deciding what type of bike it is to be. A tourer is designed for an average sized person to sit comfortably for long hours, a cruiser for them to sit feet forward in the classic style, and a sports bike so they can get down at speed and shift around for scratching. On trail bikes they pay little consideration to seating and more to how the rider balances their weight on the pegs and the relevant COG (centre of gravity). Obviously they compromise somewhat for costs and practical considerations but rider position remains a major factor in any new bike design. BMW have probably done the most work of any motorcycle manufacturer in their seating, with their ergonomically adjustable design work and crash testing. Doc
the seating arrangements of the actors is determined based on their skill , working for society , good character.
Seats in front of a window or an open door.
To lay on it as in the way as your back attach with it at 0 degree.
you might die your putting yourself at risk
I do not feel 100% comfortable in this seating position.
The companies Acadia and Integrity Seating manufacture ergonomic mesh office chairs. You can purchase the Acadia brand on the Staples website and Integrity Seating on Overstock.
Bikes that are fast, light, and sleek , designed for maximum performance and/or racing . The rider is tipped-forward seating position.
Theater Seat is a website that has theater seating at under $400 per seat. 4Seating is a website that has clearance deals and free shipping, some seats are under $400 as well.
There are some companies that make portable wheelchair with carbon fiber parts. The parts include carbon fiber wheelchair seating components.
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seated or sitted
Yes, many companies make office chairs that are designed to support heavier than average people. Two such companies that produce such chairs are Tecno Seating and Alera.