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A subcutaneous bursa is located between the skin and an underlying bone. It allows skin to move smoothly over the bone. Examples include the prepatellar bursa located over the kneecap and the olecranon bursa at the tip of the elbow. A submuscular bursa is found between a muscle and an underlying bone, or between adjacent muscles.
Synovial fluid, also called synovia, is a viscous, non-Newtonian fluid found in the cavities of synovial joints.With its egg white–like consistency, [1] the principal role of synovial fluid is to reduce friction between the articular cartilage of synovial joints during movement. [2]
Collagen fibers (which provide mechanical stiffness in cartilage) in this region are anchored directly to bones, reducing the possible deformation. Moving closer to soft tissue into the region known as the tidemark, the density of chondrocytes increases and collagen fibers are rearranged to optimize for stress dissipation and low friction. The ...
The joint space equals the distance between the involved bones of the joint. A joint space narrowing is a sign of either (or both) osteoarthritis and inflammatory degeneration. [ 12 ] The normal joint space is at least 2 mm in the hip (at the superior acetabulum ), [ 13 ] at least 3 mm in the knee , [ 14 ] and 4–5 mm in the shoulder joint ...
Wolff's law, developed by the German anatomist and surgeon Julius Wolff (1836–1902) in the 19th century, states that bone in a healthy animal will adapt to the loads under which it is placed. [1] If loading on a particular bone increases, the bone will remodel itself over time to become stronger to resist that sort of loading.
How to do it: One partner will lie on their back, on a bed or table, with hips at the edge. The penetrating partner will stand at the end of the surface being used facing the woman, entering under ...
This period is different for every guy and can last anywhere from minutes to a full day. However, there are ways to shorten this phase, she explains. The best way to decrease refractory time is by ...
Crepitus is "a grating sound or sensation produced by friction between bone and cartilage or the fractured parts of a bone". Various types of crepitus that can be heard in joint pathologies are: Bone crepitus: This can be heard when two fragments of a fracture are moved against each other.