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31 Cards in this Set

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Name 2 functions of CT.
Provide mechanical support, allows for the exchange of oxygen, blood, water, gases, cells and wastes
Of all the kinds of CT, which has the poorest ability to repair.
Articular Cartilage
True or False: Pain and swelling are good indicators to use when assessing response to treatments
FALSE
What three conditions must exist for ligament healing to occur?
The torn ends must be in contact with each other, controlled progressive stress must be applied to orient scar, and protection.
True or False: A grade two strain has microscopic tearing of the ligament.
FALSE
Name the three reasons why immobilization is used to treat fractures
Secure bone fragments, protection, and provide needed motion for healing.
For appropriate bone healing to occur, what 3 conditions must occur?
Apposition, adequate fixation and length of time
Which manner of facture healing is devoid of periosteal soft callus formation?
Primary or direct cortical healing
Name the six classifications of fractures.
Site, extent, configuration, relationship of fragments and environment, and Complications
True or False, a nonunion occurs when the healing process has stopped.
TRUE
What factors can contribute to a nonunion?
Associated soft-tissue injury, poor blood supply, and infections
What are some adverse effects that occur when a joint is immobilized?
Joint stiffness, decreased water content, decreased ligament strength, loss of bone, and muscle atrophy.
True or False, when a joint is immobilized, the articular cartilage that is in a non-contact position will show greater degenerative changes then the AC that is in a contact position.
FALSE
What substance contributes to articular cartilage's compressive strength?
Proteoglycans
True or False: superfical lesions of AC do not remodel or heal as well as deeper or full-thickness injuries.
True
None
Name 5 alternative treatments used in the treatment of AC injuries.
Debridement, Arthroscopic Osteochrondral Autografts, Autologous Chrondrocyte Transplantation, viscosupplementation with hyaluronic acid injections and oral glucosamine and chrondroitin sulfate
What is the goal of surgical abrading in the treatment of AC injuries.
Stimulates bleeding which initiates the healing process.
True or False: reducing vertical compression loading forces is indicated for patients who have AC injuries to the tibiofemoral joint.
TRUE
None
True or False: articular cartilage is avascular.
TRUE
True or False: The outer third of the meniscus of the knee has a blood supply.
TRUE
True or False: complete tears of a muscle are more common then partial tears.
FALSE
True or False: the healing response of muscle is greater than bone.
TRUE
True or False: in a type II muscle strain, the vascular supply to the muscle is compromised.
FALSE
True or False: DOMS is an example of a direct type of muscle injury.
FALSE
True or False: when the vascular supply to a muscle is damaged, the injury will heal via repair.
TRUE
True or False: tendon injuries heal better then fractures.
FALSE
True or False: The proximal third of a tendon has the lease blood supply.
TRUE
True or False: injured tendons have an increased ultimate load to failure then injured tendons.
FALSE
True or False: a surgically repaired tendon's tensile strength will never be the same as an injured tendon.
TRUE
What does the acronym PRICE stand for?
Protection, Rest, Ice , compression and elevation
Name the three progressive stages of AC degeneration.
Fibrillaltion, blistering, and fissuring