Aches and pains in the heel, or in the bottom of the foot, can be very challenging. It can stop the best of us from walking, running, or playing sports. Plantar - pertaining to the bottom of the foot. Fasciitis - inflammation of the fascia. Myofascial release refers to the manual massage technique for stretching the fascia and releasing bonds between fascia, integument, and muscles with the goal of eliminating pain, increasing range of motion and equilibrioception.