Lower Limb Pathologies Flashcards
What are the 3 most common types of LL disorders?
Bone, tendon/muscle, and joint
What is the most common LL tendonopathy ?
Gluteal tendonopathy
What is the most common tendonopathy sort osteoarthritis?
Tendonopathy
Does a tendonopathy involve degenerative and inflammatory factors?
Yes it’s a mixture of both it’s degeneration of the tissue but involves inflammatory cells called immuno-active cells that try to lay down new tissue.
How does a tendonopathy involve inflammatory and degenerative factors?
Over stimulating tissue cells with stress will prime the cell making it change shape, this prime cell can then release pro-inflammatory macrophages and chemicals, these chemicals cause the resident tenocytes to become overly active and therefor it remains in the altered shape causing chronic inflammation.
What structural changes occur in a tendonopathy?
1.Alterations to tendon cell population
(increased tenocytes, hyperactive tenocytes[they therefore produce wrong chemicals due to that], increased cell death/apoptosis, more immunoactive cells)
- Therefore we get disorganisation of collagen
(Decrease in type 1 collagen and higher concentrations of imamature collagen bundles and increased type 3)
3.ground substances change
(Increased proteoglycens and glucoseaminoglycens and therefor increased water contents into the tendon between collagen fibres which therefore makes the tendon much weaker)
4.Neovascularization
(Increase in blood vessels and nerve fibres)
What happens to some cell areas of a tendon if consistent wear And compression occurs?
Some of the cells turn into more of a condracyte (cartilage cell) or osteocytes (bone cell) laying bone down into the tendon.
When will pain be felt in a gluteal tendonopathy and who is a typical patient?
When the leg is adducted and on the trochanter.
A typical patient would be females who are post menopausal and often with an incread BMI
What is a paratenonitis disorder?
Inflammation of the sheath not the tendon
What is a inflammatory arthritic condition?
An autoimmune disorder where your white blood cells attack your own body tissue targeting the synovial fluid causing an inflamed response which can leads to osteoarthritis.
When does osteoarthritis occur?
When there is an imbalance between the wear and repair process of cells leading to cartilage matrix degradation. Leading to subcondryl cyst formation, cartilage fragmentation and fibrillation.
What does #NOF mean?
Fractured (#) Neck of Femur
What does OCD’s stand for?
Osteochondral defects
What are the different types of fractures that can occur in the lower limb?
OCD’s Stress, NOF, Long bone, Acetabulum, Tibial plateau, Weber’s,
Who normally suffered from a NOF #?
Normally females suffering trauma, this can lead to death due to compromise of the blood supply to the neck of the femur a vascular narcosis, and then due to fatty embolisms becoming free in the blood stream.