What is a joint in a finger a thumb

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The hand and wrist are made up of many different bones, muscles and ligaments that enable a wide range of movements. The wrist is formed where the two bones of the forearm — the radius the larger bone on the thumb side of the arm and the ulna the smaller bone on the pinky side — meet the carpus. Rather than a single joint, the wrist is actually made up of multiple joints where the bones of the arm and hand meet to allow movement.

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Trigger finger is a condition in which one of your fingers gets stuck in a bent position. Your finger may bend or straighten with a snap — like a trigger being pulled and released. It occurs when inflammation narrows the space within the sheath that surrounds the tendon in the affected finger.

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The first carpo-metacarpal joint is the joint which gives the thumb its special position, and a great deal of its special mobility. It sits in front of these other CMC joints, and at an angle to them. Because of this, the thumb and its metacarpal lie in front of the fingers and their metacarpals.

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How many fingers do you have? Your answer might depend on whether you consider your thumb to be a finger. Grammarly can save you from misspellings, grammatical and punctuation mistakes, and other writing issues on all your favorite websites.

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Arthritis of the hand can hurt and keep you from being able to do what you want or need to do. The most common forms of arthritis in the hand are osteoarthritis, post-traumatic arthritis after an injuryand rheumatoid arthritis. Osteoarthritis is a degenerative joint disease in which the smooth cartilage that covers the bone surfaces at the joints either is injured or wears over time.

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The joints in our hands are made up of cartilage surfaces that cap the bones. Cartilage is a smooth surface that allows for gliding. When cartilage is healthy, there is a cushioning effect of the cartilage that absorbs and evens out the forces across the joint.

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Hand bones are called metacarpals. The finger bones are called phalanges. The metacarpophalangeal joint MP jointor knuckle, is where the finger bones meet the hand bones. At the MP joints, the fingers can move in multiple directions.

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Thumb arthritis is common with aging and occurs when cartilage wears away from the ends of the bones that form the joint at the base of your thumb — also known as the carpometacarpal CMC joint. Thumb arthritis can cause severe pain, swelling, and decreased strength and range of motion, making it difficult to do simple tasks, such as turning doorknobs and opening jars. Treatment generally involves a combination of medication and splints.

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Sometimes, you have pain in your finger joint that is most noticeable when you press it. If pressure intensifies the discomfort, the joint pain might be more problematic than originally thought and might require specific treatment. With strains or sprains, you can often treat the injury at home.

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