Study for the NBCOT Hand Injuries and Intervention Test. Prepare with flashcards and multiple choice questions, each question offers hints and explanations. Get ready for success!

Multiple Choice

Which wound healing phase is associated with progression to functional use and strength?

Progression to functional use and increased strength happens during the remodeling phase. In this phase, collagen fibers are reorganized and the scar matures — type III collagen laid down earlier is replaced by stronger type I collagen, cross-links increase, and fibers align along the direction of mechanical stress. As a result, tensile strength gradually rises over weeks to months, allowing the hand to tolerate more load and function more normally. This is the period when therapy can advance from gentle range of motion to more active movements and resistance, guided by scar quality and strength. Earlier phases set the stage: inflammation manages debris and protection, while proliferation builds new tissue but remains relatively weak until remodeling. Hemostasis is the initial response to stop bleeding and is not about regaining strength.

Progression to functional use and increased strength happens during the remodeling phase. In this phase, collagen fibers are reorganized and the scar matures — type III collagen laid down earlier is replaced by stronger type I collagen, cross-links increase, and fibers align along the direction of mechanical stress. As a result, tensile strength gradually rises over weeks to months, allowing the hand to tolerate more load and function more normally. This is the period when therapy can advance from gentle range of motion to more active movements and resistance, guided by scar quality and strength. Earlier phases set the stage: inflammation manages debris and protection, while proliferation builds new tissue but remains relatively weak until remodeling. Hemostasis is the initial response to stop bleeding and is not about regaining strength.