Tendonitis is inflammation of a tendon. Tendons are composed of fibres and join muscles to bones, ensuring joint mobility. Following repeated movements, friction of the tendon against the bone may cause some of the fibres to become worn. Micro-tears affecting these tendon fibres are accompanied by a painful inflammatory reaction. This inflammation may spread to neighbouring structures, such as the synovial sheath surrounding the tendons. Tendonitis can also be caused by repeated micro-trauma (impacts, shocks) to the tendon. The pain of tendonitis is made worse by movements and alleviated by rest.
Flexor tendonitis is inflammation of the tendons at the front of the forearm (palm side of the hand), at the level of the wrist. It is caused by repeated movements (often work-related) as a result of lifting heavy objects (boxes, for example) or certain sports, such as tennis (incorrect racket grip) or golf (gripping the club too tightly).
The aim of an orthopaedic solution is to relieve pain (analgesia) and to rest the tendon by preventing movements of the wrist. The wrist is held in a neutral anatomical position thanks to a custom-made heat-mouldable splint or a standard wrist splint or brace. Without treatment, the pain becomes intolerable, with local swelling, preventing normal use of the hand. However, to prevent recurrences of the problem, in addition to medical treatment and possibly physiotherapy sessions, it is also necessary to consider an adjustment of usual habits or work activities.
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