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In mechanics, compressive strength is the capacity of a material or structure to withstand loads tending to reduce size. In other words, compressive strength resists compression, whereas tensile strength resists tension. In the study of strength of materials, tensile strength, compressive strength, and shear strength can be analyzed independently.
Orthopedic surgery or orthopedics is the branch of surgery concerned with conditions involving the musculoskeletal system. Orthopedic surgeons use both surgical and nonsurgical means to treat musculoskeletal trauma, spine diseases, sports injuries, degenerative diseases, infections, tumors, and congenital disorders.
A bone fracture is a medical condition in which there is a partial or complete break in the continuity of any bone in the body. In more severe cases, the bone may be broken into several fragments, known as a comminuted fracture. A bone fracture may be the result of high force impact or stress, or a minimal trauma injury as a result of certain medical conditions that weaken the bones, such as osteoporosis, osteopenia, bone cancer, or osteogenesis imperfecta, where the fracture is then properly termed a pathologic fracture.
A shin splint, also known as medial tibial stress syndrome, is pain along the inside edge of the shinbone (tibia) due to inflammation of tissue in the area. Generally this is between the middle of the lower leg and the ankle. The pain may be dull or sharp, and is generally brought on by high-impact exercise that overloads the tibia. It generally resolves during periods of rest. Complications may include stress fractures.
An avulsion fracture is a bone fracture which occurs when a fragment of bone tears away from the main mass of bone as a result of physical trauma. This can occur at the ligament by the application of forces external to the body or at the tendon by a muscular contraction that is stronger than the forces holding the bone together. Generally muscular avulsion is prevented by the neurological limitations placed on muscle contractions. Highly trained athletes can overcome this neurological inhibition of strength and produce a much greater force output capable of breaking or avulsing a bone.
A traction splint most commonly refers to a splinting device that uses straps attaching over the pelvis or hip as an anchor, a metal rod(s) to mimic normal bone stability and limb length, and a mechanical device to apply traction to the limb.
Hugh Owen Thomas was a Welsh orthopaedic surgeon. He and his nephew Robert Jones have been called "the Fathers of orthopaedic surgery".
A pelvic fracture is a break of the bony structure of the pelvis. This includes any break of the sacrum, hip bones, or tailbone. Symptoms include pain, particularly with movement. Complications may include internal bleeding, injury to the bladder, or vaginal trauma.
A patella fracture is a break of the kneecap. Symptoms include pain, swelling, and bruising to the front of the knee. A person may also be unable to walk. Complications may include injury to the tibia, femur, or knee ligaments.
Orthopaedic nursing is a nursing specialty focused on the prevention and treatment of musculoskeletal disorders. Orthopaedic issues range from acute problems such as fractures or hospitalization for joint replacement to chronic systemic disorders such as loss of bone density or lupus erythematosus.
Bennett fracture is a type of partial broken finger involving the base of the thumb, and extends into the carpometacarpal (CMC) joint.
The Rolando fracture is a type of broken finger involving the base of the thumb.
The Taylor Spatial Frame (TSF) is an external fixator used by paediatric and orthopaedic surgeons to treat complex fractures and bone deformities. The medical device shares a number of components and features of the Ilizarov apparatus. The Taylor Spatial Frame is a hexapod device based on a Stewart platform, and was invented by orthopaedic surgeon Charles Taylor. The device consists of two or more aluminum or carbon fibre rings connected by six struts. Each strut can be independently lengthened or shortened to achieve the desired result, e.g. compression at the fracture site, lengthening, etc. Connected to a bone by tensioned wires or half pins, the attached bone can be manipulated in three dimensions and 9 degrees of freedom. Angular, translational, rotational, and length deformities can all be corrected simultaneously with the TSF.
A spinal fracture, also called a vertebral fracture or a broken back, is a fracture affecting the vertebrae of the spinal column. Most types of spinal fracture confer a significant risk of spinal cord injury. After the immediate trauma, there is a risk of spinal cord injury if the fracture is unstable, that is, likely to change alignment without internal or external fixation.
Dynasplint Systems, Incorporated (DSI) is a company that designs, manufactures and sells dynamic splints that are used for range of motion rehabilitation. The corporate headquarters are located in Severna Park, Maryland and it is considered a major employer in Anne Arundel County. Products are Made in the US in Stevensville, Maryland. There is a national sales force throughout the US as well as a presence in Canada and Europe.
The Journal of Orthopaedic Trauma is a monthly, peer-reviewed, orthopaedic journal published by Lippincott Williams & Wilkins. It was established in 1987. The editor in chief is Roy W. Sanders.
Sir Robert Jones, 1st Baronet, was a Welsh orthopaedic surgeon who helped to establish the modern specialty of orthopaedic surgery in Britain.
Olecranon fracture is a fracture of the bony portion of the elbow. The injury is fairly common and often occurs following a fall or direct trauma to the elbow. The olecranon is the proximal extremity of the ulna which is articulated with the humerus bone and constitutes a part of the elbow articulation. Its location makes it vulnerable to direct trauma.
A pilon fracture, is a fracture of the distal part of the tibia, involving its articular surface at the ankle joint. Pilon fractures are caused by rotational or axial forces, mostly as a result of falls from a height or motor vehicle accidents. Pilon fractures are rare, comprising 3 to 10 percent of all fractures of the tibia and 1 percent of all lower extremity fractures, but they involve a large part of the weight-bearing surface of the tibia in the ankle joint. Because of this, they may be difficult to fixate and are historically associated with high rates of complications and poor outcome.
An orthopedic plate is a form of internal fixation used in orthopaedic surgery to hold fractures in place to allow bone healing and to reduce the possibility of nonunion. Most modern plates include bone screws to help the orthopedic plate stay in place.
References
- ↑ Tosti, Rick; Hozack, Bryan A.; Mudgal, Chaitanya S. (15 December 2020). "Tension Band Wiring in Upper Extremity Surgery". The Journal of the American Academy of Orthopaedic Surgeons. 28 (24): 1009–1016. doi:10.5435/JAAOS-D-19-00449. ISSN 1940-5480. PMID 32991386. S2CID 222145779.
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