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Lumbar hyperlordosis is excessive extension of the lumbar region, and is commonly called hollow back or saddle back (after a similar condition that affects some horses). Sway back is a different condition with a different cause, that at a glance can mimic the outward appearance of lumbar hyperlordosis.
Some saddle chairs include not only height adjustments but also a tilt mechanism. There is also a divided saddle chair model on the market that has an adjustable gap between the two seat parts. Accessories, such as elbow and wrist supports, are available for saddle chairs to make different work tasks easier.
U.S. Patent No 8771 drawing image Patent 8771 image close-up of parts Shaker ladder chair with ball swivels on rear legs for tilting. The Shaker tilting chair – named for its ball bearing or ball and socket [A] button mechanism assembled to the back two legs of a wooden chair – allowed a person to lean back in the chair without slipping or scraping the floor.
West Elm. With a low-to-the-ground profile and a luxurious winged back design, this chair is engineered to be equal parts cushy and ultra-chic. What makes it special is the fact that it takes an ...
tilt, lean, and roll are all used somewhat interchangeably, depending on the context and the writer, usually to mean rotation about a longitudinal axis of the vehicle.
This feature allows the bike to tilt from side to side, simulating the feel of outdoor cycling and engaging your core muscles for a more dynamic workout. With 100 levels of smooth magnetic ...
Continued tightening of the bolt causes the central piece to close very slightly around the top of the post. To adjust the saddle's position, loosening the bolt allows the rails to slide forward and backward and to tilt up and down around the axis of the bolt. [9] Parts of a single bolt saddle clamp. The ridges on the bottom section are worn.
Wondering if a workout can curb a bad night’s sleep? Experts break down how exercise impacts the body after acute sleep deprivation and when to prioritize rest.