Hot and cold therapeutic and physiological responses

A. Local anesthesia

B. Reduced muscle tension

A. Vasoconstriction

B. Vasodilation

B. Increased tissue metabolism

A. Reduced cell metabolism

A. Vasodilation

A. increased blood viscosity

A. Reduced muscle tension

B. Vasoconstriction

A. Increased capillary permeability

A. Decreased muscle tension

C. Vasodilation

A. Reduced blood viscosity

A. Increased tissue metabolism

Relieves pain a

promotes movement of waste products and nutrients a

Improves blood Flow a

improves delivery of leukocytes and antibiotics to wound site a

lessens venous congestion in injured tissues c

reduces pain from spasms or stiffness b

promotes blood coagulation at injury site a

reduces O2 needs of tissues a

Provides localized warmth b

reduces localized pain a

reduces blood flow to injured site, preventing edema formation a

Promotes delivery of nutrients and removal of wastes b

promotes muscle relaxation a

increased blood flow a

reduces inflammation b