Knee

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The knee joint joins the thigh with the leg and consists of two articulations: one between the femur and tibia, and one between the femur and patella. It is the largest and most complicated joint in the human body. The knee is a mobile trocho-ginglymus (i.e. a pivotal hinge joint), which permits flexion and extension as well as a slight medial and lateral rotation. Since in humans the knee supports nearly the entire weight of the body, it is the joint most vulnerable both to acute injury and the development of osteoarthritis.

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News tagged with knee

Motorized knee can make you run faster

Technology / Engineering

Dec 22, 2009 | 4.2 / 5 (10) | 5

(PhysOrg.com) -- Scientists at the Tsukuba University in Japan have come up with a motorized knee you can attach to your leg to make you run faster and use less muscle power.

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SPARKy devices helps amputees return to normal lives (w/ Video)

Medicine & Health / Health

Dec 22, 2009 | not rated yet | 0

Arizona State University researchers have developed a prosthetic device that literally puts the spring back into an amputee's step. The ASU scientists have developed and refined SPARKy (for spring ankle with regenerative ...

Fossil shelved for a century reworks carnivore family tree

Other Sciences / Archaeology & Fossils

Dec 22, 2009 | 4.5 / 5 (8) | 5

More than a hundred years after its discovery, the limbs and vertebrae of a fossil have been pulled off the shelf at the American Museum of Natural History to revise the view of early carnivore lifestyles. ...

Warming climate chills Sonoran Desert's spring flowers

Biology / Ecology

Dec 16, 2009 | 3.2 / 5 (9) | 3

Global warming is giving a boost to Sonoran Desert plants that have an edge during cold weather, according to new research.

Kew botanists discover more than 250 new plant species in 250th anniversary year

Biology / Plants & Animals

Dec 22, 2009 | 5 / 5 (1) | 0

Giant rainforest trees, rare and beautiful orchids, spectacular palms, minute fungi, wild coffees and an ancient aquatic plant are among more than 250 new plant and fungi species discovered and described by botanists from ...

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