Rhizarthrosis

Rhizarthrosis

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Rhizarthrosis

Hand

What is Rhizarthrosis?

Rhizarthrosis is a type of osteoarthritis that affects the thumb or the trapeziometacarpal joint of hand. It is also known as trapeziometacarpal osteoarthritis.

The joint is located on the thumb side of the wrist, and it connects your thumb with your carpal bones. This joint allows you to flex and extend your thumb. When this joint becomes inflamed, it can cause pain and stiffness in your wrist and hand.

This condition is caused by an injury such as a fracture, dislocation of bones or an inflammatory disease. The symptoms include pain, stiffness and swelling in the area affected.

What are the types of Rhizarthrosis?

There are several types of rhizarthrosis:

De Quervain’s Disease

Also called “tenosynovitis of the first dorsal compartment of the wrist,” this type of rhizarthrosis is caused by inflammation of tendons in the thumb area. It can cause pain when opening or closing doors or jars.

Trigger Thumb

Trigger thumb is a painful condition that causes your thumb to lock or catch when you try to move it. You may also experience pain when you rotate your wrist or use your hand for activities like typing or writing.

Scaphoid Fracture

A scaphoid fracture occurs when there is a break in one of the bones in your palm that make up your wrist joint. The scaphoid bone curves around underneath your palm at each side of your wrist joint, so if it’s fractured, you’ll likely have pain there as well as swelling and bruising around your palm area

Flexor Carpi Radialis (FCR) tenosynovitis

The flexor carpi radialis tendon is located on the inside of your wrist, and its inflammation can cause pain and swelling. This can lead to a condition called tenosynovitis, which is inflammation of the tendon sheath.

Scaphotrapezial arthritis

Scaphotrapezial arthritis is an inflammation of the scaphoid bone in your wrist. It causes pain and tenderness in the area around this bone, as well as stiffness and difficulty moving your wrist.

Wrist arthritis

Wrist arthritis refers to damage to the cartilage between two bones in your wrist joint that causes inflammation and pain in the joint region around these bones.

Subsesamoid arthritis

Subsesamoid arthritis occurs when there’s damage to one or more of the small bones under the large sesamoid bones at each end of your thumb’s metacarpal bone. This type of arthritis causes pain when you use your thumb muscles but not always swelling or tenderness near these bones themselves

What are the causes of Rhizarthrosis?

The most common cause of Rhizarthrosis or Trapeziometacarpal joint is repetitive stress injury, which can be caused by a variety of activities such as playing sports or working in certain professions. Another common cause of Rhizarthrosis or Trapeziometacarpal joint is trauma, which can occur when you fall on your hand.

Another potential cause of Rhizarthrosis or Trapeziometacarpal joint is arthritis, which occurs when your joints become inflamed and painful over time. This can happen when you have other conditions like osteoarthritis, rheumatoid arthritis, gouty arthritis and psoriatic arthritis.

A less common cause of Rhizarthrosis or Trapeziometacarpal joint is congenital deformity, which happens when your bones don’t form properly during pregnancy due to genetic factors such as Down syndrome or Turner syndrome (XO).

What are the symptoms of Rhizarthrosis?

The most common symptom of rhizarthrosis is pain and stiffness in your finger joints. The symptoms may begin gradually and worsen over time, or they may develop suddenly.

Other symptoms include:

  • Pain in the joints of your thumb, index finger, middle finger and little finger
  • Pain that gets worse when you use your hands
  • Swelling around the affected joint

What are the risk factors for Rhizarthrosis?

Risk factors for Rhizarthrosis or Trapeziometacarpal joint include:

  • Impaired blood flow to the hand
  • Diabetes
  • Age (you’re more likely to get this condition as you get older)
  • Inflammation in the joint
  • Osteoarthritis
  • Trauma (such as a fall on the outstretched hand)
  • Congenital joint malformation

Recommended Exercise

Hand

What are the exercises for Rhizarthrosis?

For rhizarthrosis, or thumb arthritis, the exercises you’ll want to do are ones that help you build up the strength in your hand and specifically in your thumb.

Here are some examples of exercises you can do:

1. Fist-clenching

Hold a fist with your dominant hand, making sure to keep the fingers closed tightly together. Then, slowly open and close the fist 10 times.

2. Wrist extension

Use a light weight (like a soup can) or one of those grippy tubes (like a Slinky). Hold it with your thumb and index finger on opposite ends. Make sure it’s secure! Now bend your wrist back as far as possible without letting go of the tube/weight/Slinky. Do this 10 times for each wrist extension exercise.

3. Pinching

With one hand, grab something between your fingers (like a pencil). Now squeeze it as hard as possible for 10 seconds before releasing it again.”                                    

What are the treatments for Rhizarthrosis?

There are several treatment options for Rhizarthrosis, including:

Rest – Resting the joint can help reduce pain and swelling.

Physical therapy – This can be used to strengthen your muscles, which may reduce pain in the joint.

Medications – Some medications may be used to treat the symptoms of Rhizarthrosis, such as ibuprofen or aspirin.

Corticosteroid injections – These injections can provide short-term relief from inflammation and pain in your joints by reducing swelling and irritation of the surrounding tissues.

Explanation of Recommended Orthotic Device

Hand

What brace is used for Rhizarthrosis?

A rigid thumb brace is used for a condition called rhizarthrosis, which affects the joint between your thumb and wrist. This joint is affected by arthritis and can be painful to move. A rigid brace helps keep that joint stable while you move around your day, so you can get on with it without worrying about how much pain you’re causing yourself.

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