You accidentally injure your arm by accidentally stabbing it with an ice pick. Within minutes following the injury, you note some changes in the tissues in the area of the injury. What changes in the tissue should you expect if your body responds with a typical inflammatory response?
Inflammation is the body's response to injury. Injury to soft tissues can arise from a number of sources. ... Trauma causes direct damage to cells in the immediate area of injury, causing bleeding. The bleeding initiates a cascade of events in the inflammatory process that promote healing of the injured tissue.
Signs and Symptoms: Pain, warmth, swelling, palpable tenderness, limitation in range of motion
Changes can be there in the affected tissues when the body responds with a typical inflammatory response. it includes three stages.
Phase 1: Inflammatory Response
Healing of acute injuries begins with the acute vascular
inflammatory response. The purpose of vascular changes is to
increase blood flow to the local area, mobilize and transport cells
to the area to initiate healing. The damaged cells are removed and
the body begins to put new collagen in the area of injury. This
phase is initiated immediately after injury and lasts 3-5 days.
Signs and Symptoms:
Pain, warmth, swelling, palpable tenderness, limitation in joint or muscle range of motion
Treatment focus:
Decrease pain and swelling, prevent chronic inflammation, maintain mobility and strength in adjacent areas while injured areas are rested
Phase 2: Repair and Regeneration
The second phase is characterized by new collagen formation. New
collagen fibers are laid down in a disorganized manner in the form
of a scar and there are weak links between each fiber. Thus, the
new tissue is weak and susceptible to disruption by overly
aggressive activity. This phase lasts from 2 days to 8 weeks.
Signs and Symptoms:
Less warmth and swelling, palpable tenderness decreases, pain felt with tissue resistance or stretch of the tissue
Treatment focus:
Range of motion exercises, joint mobilization, scar mobilization to
produce a mobile scar, light loads to promote tissue remodel
Phase 3: Remodelling and Maturation
As healing progresses, the tissue continues to remodel, strengthen
and improve its cellular organization. There is less new collagen
formation, but increased organization of the collagen fibers, and
stronger bonds between them. Tension becomes important because new
collagen must orient along the lines of stress to best accommodate
the loads required for function. The end of tissue remodelling is
unknown and may take months to years for completion.
Signs and Symptoms:
Improved range of motion and strength
Treatment focus:
Stretching, active contraction, resistive loads
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