03A - 148 - Tissue Healing & Ligament Healing

Definition: Microscopic tearing without producing joint laxity

Treatment: Brace

• Grade 1

• Grade 2

• Grade 3

• Grade 4

ligament to fibrocartilage to calcified

fibrocartilage to bone

• Direct transition

• Indirect transition

superficial layers of ligament attach to periosteum and deep layers attach Sharpey’s perforating fibers

• Indirect transition

• Direct transition

Match the following

• Collagen

• Remodeling includes the absorption of collagen fibers that lie in

• Inflammation

• Acute Inflammatory response: 5-7 days Goal: Stop bleeding & initiate repair process

• Inflammatory Response

• Begins 5-7 days after injury

  oIncrease in fibroblasts

  oDecrease in inflammatory cells

  oProliferation in reparative cells

  oAngiogenesis: neovascular budding (think blood supply)

• opposing directions”

• ______ fibers align parallel to direction of applied stress,Collagen fibers align parallel to direction of applied stress, which increases the strength of scar tissue union.

• Proliferation

• Triggered by release of Histamine

  Amplified by Cytokines* (signaling molecules)

O

• Increase in fibroblasts

  -Decrease in inflammatory cells

  -Proliferation in reparative cells

  oAngiogenesi

• Proliferation

• Inflammatory Response

• Inflammation

• Triggered by release of Histamine

• Stop bleeding & initiate repair process

Match the following

Remodeling & Tissue Maturation

• Collagen

• Collagen fibers align ______ to direction of applied stress,

• Opposing directions

• Remodeling includes the absorption of collagen fibers that lie in ________

• Parallel

• _____ fibers align parallel to direction of applied stress, which increases the strength of scar tissue union.

Braces help prevent prolonged immobilization

• Use of limited range of motion braces to protect while providing motion

• Keeps the knee moving without just being immobilized

What are the benefit's of controlled motion and exercises that stimulates repair or what good can you get from it?

• Improved matrix organization and composition

• Increased weight of ligament

• Normalized collagen synthesis and strength

hemostasis, and degeneration

Inflammation