Overhead mobility can be explained simply as having adequate motion to allow the arms to be positioned overhead without compensation. Shoulder overhead mobility requires multiple moving body parts working together. Without adequate motion in the right muscles and joints, you run the risk of exposing other body regions to excessive strain due to compensatory strategies, for example, extreme extension through the neck, thoracic spine, or lumbar spine.

Trigger finger is a condition where there is a size disparity between the flexor tendons and the surrounding pulley system at the first annular pulley (the A1 pulley). This causes the tendon to catch on the pulley as it attempts to glide through unless enough pressure is developed to allow it to forcefully move through the pulley. The exact cause of trigger finger is not always clear, but it is often attributed to overuse injuries or repetitive motions.

Belayer’s neck is a term climbers use to describe pain and stiffness in the back of the neck that occurs as a result of looking upwards and belaying for long periods of time. The term belayer’s neck isn’t a single diagnosis, but rather a colloquial term used to describe a wide range of conditions that cause the symptoms belayers often experience at the back of their necks.