12/5/14 Warm-up: What is the medical term for bruising/ contusion? Define palpation. Why is it important for sport-specific activities to be evaluated? Give three examples of “history” questions asked during HOPS. 5. Differentiate between subjective and objective data.

TO: Describe stress mechanisms that would lead to various types of soft tissue injures.

Tissue Stresses Leading to Injury Tension~ pulls / stretches tissue Stretching~ pulls beyond elastic limit Compression~ force that crushes tissue Shearing~ force that moves across the parallel organization of the tissue Bending~ force on a horizontal bone that places stress c/in the structure causing the bone to bend or strain

Soft-Tissue Injuries Blister~ Continuous friction causing a collection of fluid w/in the epidermal or dermal layers Abrasion~ scrape or strawberry Laceration~ tear of epidermis with rough edges Incision~ tear of epidermis with smooth edges

Laceration Blister Incision

Soft-Tissue Injuries Contusion~ bruise Avulsion~ tear that results in the involved tissue being completely ripped from its source Puncture~ a foreign object penetrates the skin

Contusion Avulsion