Kenneth J. Koval MD


Sciatica

The sciatic nerve is the largest nerve in the body. It is formed by nerve roots coming out of the spinal cord in the lower back. The nerve goes down through the buttock, and then its branches extend down the back of the leg to the ankle and foot. A herniated disc may press on one or more of the nerve roots that form the…

Torn Rotator Cuff Tendon

A torn rotator cuff tendon is damage to one or more of the four tendons that cover the shoulder joint. These tendons connect the rotator cuff muscles to the upper arm bone (humerus), shoulder bone (scapula), and collarbone (clavicle). It takes tremendous force to tear a healthy rotator cuff tendon. This may occur from a…

Bursitis of the Shoulder

Bursitis of the shoulder is inflammation of the bursa found between the bone at the top of the shoulder (the acromion), the upper arm bone (humerus), and the tendons and muscles. A bursa is a fluid-filled sac that cushions and lubricates areas of the body where friction is likely to occur. Examples of such areas include…