Uni Medical care on Instagram: "Skin contusions are closed soft tissue injuries caused by blunt trauma without skin disruption. They result from the rupture of small blood vessels beneath the skin, leading to blood leakage and visible color changes that evolve from red to blue, green, and yellow over time. 🟥🟥 The mechanism involves mechanical impact that damages microvessels while leaving the skin intact. The severity depends on the force of trauma, the site of injury, tissue thickness, and pa