Osteoarthritis at the base of the thumb is one of the most common forms of arthritis, affecting a specialized saddle joint that allows extensive movement but is prone to wear and tear. We explore what happens anatomically when the joint begins to degenerate, including the formation of a visible "shoulder sign" bump and how bone spurs develop as the body attempts to stabilize the damaged joint.

In this episode we will go over:

• The thumb's saddle joint allows movement in multiple directions but this mobility makes it vulnerable to arthritis
• As arthritis progresses, the thumb joint may begin to sublux (partially dislocate) creating a visible bump
• Arthritis doesn't always appear on X-rays despite physical symptoms being present
• Bone spurs form as the body attempts to fuse the joint but constant hand movement prevents fusion
• Kinesio tape can provide effective support by creating a sling around the base of the thumb
• Neoprene thumb braces without metal stays offer excellent support for heavy activities
• Support devices should be used selectively - "like a crutch" - only when needed for demanding tasks
• Early assessment by hand specialists is crucial for proper diagnosis and treatment

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Hello and welcome to the new show, The Hand to Shoulder Solution, with me, Carl Petitto.

If you are experiencing pain in your arms and hands, this is your resource.

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This is a resource to help you mitigate pain at home and become more educated on what to ask your doctors and therapists. No medical advice will be given, and you should always see your medical professional for any questions.

Thank you, and welcome to the show!