What causes pain in the MCP joint of the thumb?
What causes pain in the MCP joint of the thumb?
Causes of Metacarpophalangeal (MCP) Joint Arthritis Inflammation (mainly rheumatoid arthritis) Traumatic injury leading to broken bone or loss of cartilage (Post-traumatic arthritis) Routine wear and tear of the MCP joint (osteoarthritis) Certain medical conditions (gout, pseudogout, psoriasis, etc.)
What is thumb MCP?
The metacarpophalangeal joint (MCP joint), or knuckle, is where the finger bones meet the hand bones. At the MCP joint, the fingers can move in multiple directions. They can bend, straighten, spread apart and move together.
Where is the thumb MP joint?
The terminal extensor tendon in the thumb comes from the extensor pollicis longus muscle. The radial and ulnar collateral ligaments are important to provide stability of the fingertip during pinching. The MP joint is where the hand bone, called the metacarpal, meets the finger bones, called the phalanges.
What type of joint is the MP of the thumb?
hinge joint
Finger Sprains and Deformities The MP joint of the thumb is primarily a hinge joint. Flexion and extension comprise the primary arc of motion. Pronation-supination and abduction-adduction are considered secondary arcs of motion at this joint.
How is thumb arthritis diagnosed?
One thumb arthritis test that many healthcare professionals perform involves holding the base of the thumb and moving the digit around. If the patient complains of pain, or if the movement produces a grinding sound, which is known as crepitus, thumb osteoarthritis is likely.
Does the thumb have a PIP joint?
There are two sets in each finger (except in the thumb, which has only one joint): “proximal interphalangeal joints” (PIJ or PIP), those between the first (also called proximal) and second (intermediate) phalanges.
What are the joints in your thumb called?
The thumb basal joint, also known as the carpometacarpal (CMC) joint, is a specialized saddle-shaped joint that is formed by a small wrist bone (trapezium) and the first of the three bones in the thumb (metacarpal).
Why do I experience joint pain in my Thumb?
causing the symptoms of thumb arthritis.
What causes joint pain in the thumb?
Tendonitis of the thumb can also be one of the causes of thumb joint pain. This condition occurs due to swelling or irritation of the tendons found along the thumb side of the wrist.
What could have caused my Thumb basal joint pain?
Rheumatoid arthritis is another potential cause of thumb pain. When the tendons around the thumb get inflamed, you might develop tendonitis which will lead to pain around the thumb joint to develop. Carpal tunnel syndrome is another potential source of thumb joint pain.
Why is thumb pain such a pain?
A compressed or pinched nerve in the arm, wrist, or hand can also contribute to finger or thumb pain. Finger pain may feel dull and achy, or it may be sharp and cramplike. The pain may start suddenly and then go away. If you have a broken finger, it’ll usually be swollen, purple or blue in color, and extremely painful.
What causes pain in the MCP joint of the thumb? Causes of Metacarpophalangeal (MCP) Joint Arthritis Inflammation (mainly rheumatoid arthritis) Traumatic injury leading to broken bone or loss of cartilage (Post-traumatic arthritis) Routine wear and tear of the MCP joint (osteoarthritis) Certain medical conditions (gout, pseudogout, psoriasis, etc.) What is thumb MCP? The metacarpophalangeal joint…