carpometacarpal (CMC) joint or scapho-trapezium/trapezoid (STT) joint, is pain at the bottom of the thumb. The pain can be worse with activities that require pinching, such as opening jars, turning door knobs or keys, and writing. If the arthritis progresses you may feel pain at rest and pain at night. STT arthritis? CONDITION STT arthritis This is arthritis occurring between three bones in the wrist; the Scaphoid, the Trapezium and the Trapezoid. It can lead to pain and stiffness in the thumb and wrist. CONDITION X-ray showing STT Arthritis Scaphoid bone Trapezium bone Thumb base joint (normal in this case) Mid-carpal joint (a little narrowed) Trap ez oid n.
STT (scaphotrapezotrapezoidal) joint arthritis Discussion Degenerative arthritis of the STT (scaphotrapezotrapezoidal) joint of the thumb commonly develops as a result of normal use and the natural aging process. Nonoperative treatment options include rest, splinting, therapy, oral anti-inflammatory medication. The scaphotrapezial and trapeziotrapezoid volar ligaments stabilize the joint. The dorsolateral STT ligament stabilizes and links the joint to the rest of the midcarpus. The function of the STT joint is to allow transfer of load from the thumb and radial hand to the scaphoid, capitate, and other carpal bones.
May 10, 2019 · Osteoarthritis is a degenerative joint disease. Osteoarthritis causes cartilage—a tough but flexible tissue that covers the ends of the bones forming a joint—to wear away gradually. Thumb osteoarthritis most commonly affects the joint at the base of the thumb, also known as the basal joint or the carpometacarpal joint (CMC joint). Scaphotrapeziotrapezoidal (STT or triscaphe joint) arthritis is common, occurring in ~40% of wrist radiographs. It is typically degenerative (i.e. osteoarthritis) and presents with radial-sided wrist pain in patients over 50 years.
Finger Joints Thumb. The thumb digit has only two phalanges (bones) so it only has one joint. Index Finger. The DIP joint in the finger is located at the tip of the finger, Middle Finger. The DIP joint in the finger is located at the tip of the finger, Ring Finger. The DIP joint in the. Sep 27, 2016 · That’s why it is also known as thumb arthritis. The basal joint allows your thumb to move around so you can perform small motor tasks. Without plenty of cushioning cartilage, the joints become rough and grind over each other when you move, causing more joint damage.Author: Ann Pietrangelo.
Aug 26, 2012 · The role that the scaphotrapeziotrapezoidal (STT) joint plays in the biomechanics of the wrist joint and thumb is still uncertain. Therefore, the behaviour of this joint, when involved in osteoarthritis (OA), is understood even less.Cited by: 7.