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Doctor insights on: Why Do My Finger Mortise And Tenon Joints Lock

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Dr. Stratos Christianakis
1,189 doctors shared insights

Joints (Definition)

Joints are parts of the body, formed by the cartilage-covered ends of bones plus the strong, flexible ligaments that attach the bones to one another. Movements at the joints in the body allow the different parts of the body to move in ...Read more


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Why do my joints crack? (Specifically my knee and foot)

Why do my joints crack? (Specifically my knee and foot)

Normal joint: Some individuals have joints that "crack" and is usually an inherited trait. It is usually a normal and benign condition that results from Nitrogen dissoved in the joint fluid (called synovial fluid) suddenly escaping with pressure developing within the joint with normal motion. With rapid escape of Nitrogen, you can hear a popping or cracking sound. ...Read more

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What will make my finger joint stop cracking?

What will make my finger joint stop cracking?

Cracked knuckles: Most believe that knuckle poppingor cracking is just forcing nitrogen bubbles out of solution and it has no joint effect either shortor long term. The problem is that with osteoarthrits such a common problem in older adults that if enough ten year old are told that they better not crack their knuckles that one day they will get arthritis that eventually someone will be right .... ...Read more

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How long will i need to wear my oval-8 finger splints to fix my hyperextended middle and ring fingers? Fyi- I have other hyperextended joints and tts

How long will i need to wear my oval-8 finger splints to fix my hyperextended middle and ring fingers? Fyi- I have other hyperextended joints and tts

Joint laxity: Can show up in any ways in the hand. Hyper extension of the pip finger joints, looseness of the thumb, abity to place the thumb on the anterior forearm with flexed wrist, wrist ligament looseness. Many have knee or elbow or shoulder looseness too. If chronic laxity is a problem wearing a splint alone may not tighten the joint permanently just show iffunction changes when over extension is limited. ...Read more

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Why are my fingers, toes and joints swelling? It hurts.

Why are my fingers, toes and joints swelling? It hurts.

I would advise: A consult with a rheumatologist. This type of doctor specializes in these types of conditions. ...Read more

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Why do my elbow joints click during push-ups?

Why do my elbow joints click during push-ups?

Elbow click: This can be a normal finding due to the lining of the elbow joint (capsule). As long as there is no pain or swelling nothing to worry about. ...Read more

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Why do my fingers cramp and lock?

Why do my fingers cramp and lock?

Trigger finger: This could be a trigger finger. See an orthopedist or hand specialist for evaluation. ...Read more

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My left index (proximal interphalangeal joint and metacarpophalangeal joint) I have pain when i bend the finger. My RA factor is normal.

My left index (proximal interphalangeal joint and metacarpophalangeal joint) I have pain when i bend the finger. My RA factor is normal.

See details: Ra is very unlikely when a single finger is involved. Is the finger swollen? Is there an area of tenderness? It could something simple such as tendinitis. See an orthopedist or rheumatologist. ...Read more

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How can you stop cracking my knuckles and finger joints?

How can you stop cracking my knuckles and finger joints?

Habit: You have developed a habit disorder. The best way to deal with this is to replace the behavior with another behavior that is not so aggravating to you and others. Use your imagination to think of one and you can heal yourself. ...Read more

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My fingers lock up if I bend them after being straight(bend at the top joint, middle joint locks, seems to distend). What is it? How do I treat it?

My fingers lock up if I bend them after being straight(bend at the top joint, middle joint locks, seems to distend). What is it? How do I treat it?

Locking fingers: You should prob see an ortho doc for X-rays and exam. It sounds like a "Trigger Digit" (TD) however you're on the young side to have this prob. TD usually causes severe tenderness if you press hard at base of digit palm side. ...Read more

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Can your tibia lock? What causes my knee to shift and lock and pop painfully?

Can your tibia lock? What causes my knee to shift and lock and pop painfully?

Most commonly: "Locking" is due to a significant "internal derangement" (Torn cartilage) and an MRI is usually the next step. "Popping" may be due to a piece of loose cartilage "hanging" from a tear and "catching"BETWEEN the tibia/femur where they "meet" IN SHORT YOu NEED TO SEE AN ORTHOPEDIST. Hope this helps! Dr Z ...Read more

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What can I do?My scaphoid-trapezium joint sounds when medially move my hand and hurts when writing. 2 orthos says there's nothing that they can do.

What can I do?My scaphoid-trapezium joint sounds when medially move my hand and hurts when writing. 2 orthos says there's nothing that they can do.

See wrist specialist: The wrist is very complicated and not all orthopedists are expert in addressing wrist issues. Check with a local hand center or university hospital to see if there are any orthopedists who specialize in wrist problems. ...Read more

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How to figure out why i can't stop cracking my joints (fingers, thumbs, wrists, elbows..)?

How to figure out why i can't stop cracking my joints (fingers, thumbs, wrists, elbows..)?

Bad Habit.: You get used to it, hard to live without it. If you survive not doing it for 21 days by focusing on doing something else, you might be able to break the bad habit. Stretching might be a healthy habit to replace it with. ...Read more

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Why do I make cracking sounds in my fingers, neck, knees, ankles and toes all the time? Is this harmful?

Why do I make cracking sounds in my fingers, neck, knees, ankles and toes all the time? Is this harmful?

Cracking: Can be caused by so many things you should check with rheumatologist . Likely arthritic bone spurs or changes. X-rays will help with diagnosis. ...Read more

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How can I strengthen my joints? My knees grind my hip clicks and all my other joints just crack. Is there something I can do to strengthen them?

How can I strengthen my joints? My knees grind my hip clicks and all my other joints just crack. Is there something I can do to strengthen them?

Remember: It's not so much strengthening the joints but more so improving your flexibility at the respective joints and the surrouning musculature that supports the joints, that matters. You may want to undertake some resistance(weight) training program and a flexibility program(think yoga) to help with these issue. Of course, seek the input of your doctor to make sure your healthy to do so. Good luck ...Read more

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Why do my ring fingers lock forward when grasping?

Why do my ring fingers lock forward when grasping?

Trigger finger: It sounds like you have trigger fingers. A nodule may be trapping your fingers in the locked position. I recommend you visit a hand surgeon. He or she will treat you with NSAIDs or injections that will help eliminate the problem. Surgery may also be an option depending on your history. Good luck. http://orthoinfo.aaos.org/topic.cfm?topic=a00024 ...Read more

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