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Hip replacement is a surgical procedure in which the hip joint is replaced by a prosthetic implant, that is, a hip prosthesis. [1] Hip replacement surgery can be performed as a total replacement or a hemi/semi(half) replacement. Such joint replacement orthopaedic surgery is generally conducted to relieve arthritis pain or in some hip fractures.
The OHS is the most commonly used patient-reported hip specific measure available, because it can be completed anywhere. [7] The OHS and the Oxford Knee Score (OKS) were both adopted by the UK Department of Health for the assessment of hip and knee replacement operations carried out each year in National Health Service hospitals. The OHS and ...
The Harris Hip Score (HHS) is a common evaluation instrument of the results of various hip disabilities and methods of treatment, especially for the assessment of hip replacement. [1] It was developed by William H. Harris in 1969 with 30 patients who had suffered a fracture of the acetabulum or a luxation of the hip. [ 2 ]
Zones of a hip prosthesis, by the DeLee and Charnley system, [1] and the Gruen system. [2] After hip replacement, hip prosthesis zones are regions in the interface between prosthesis material and the surrounding bone. These are used as reference regions when describing for example complications including hip prosthesis loosening on medical imaging.
The three second rule is a time for the defensive driver to judge the minimum safe trailing distance to help avoid collisions under ideal driving conditions. The red car's driver picks a tree to judge a two-second safety buffer. The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed.
A hip spica includes the trunk of the body and one or both legs. A hip spica which covers only one leg to the ankle or foot may be referred to as a single hip spica, while one which covers both legs is called a double hip spica. A one-and-a-half hip spica encases one leg to the ankle or foot and the other to just above the knee.
Regulatory definition: For the purpose of U.S. regulation and GTRs (Global Technical Regulations)—and for clear communication in safety and seating design [7] —the H-point is defined as the actual hip point of the seated crash test dummy itself, [7] whereas the R-point (or SgRP, seating reference point) is the theoretical hip point used by ...
the ratio of hip circumference to shoulder circumference varies by biological sex: the average ratio for women is 1:1.03, for men it is 1:1.18. [9] legs (floor to crotch, which are typically three-and-a-half to four heads long; arms about three heads long; hands are as long as the face. [10]