The_________ functions as a watery cushion to minimize pressure and friction over bony prominences and under tendons

The outermost connective tissue covering peripheral nerves is the:

a. Epineurium b. Perineurium c. Endoneurium

A type of heat therapy in which a machine uses ultrasound, shortwave, or microwave to achieve deep heat penetration in muscle tissue is ________. 

Fill in the blank(s) with the appropriate word(s).