What are the 3 joints of the finger?
Daniel Martin
Updated on March 26, 2026
What are the 3 joints of the finger?
Each of the fingers has three joints:
- metacarpophalangeal joint (MCP) – the joint at the base of the finger.
- proximal interphalangeal joint (PIP) – the joint in the middle of the finger.
- distal interphalangeal joint (DIP) – the joint closest to the fingertip.
What is a finger joint joint?
A finger joint, also known as a comb joint, is a woodworking joint made by cutting a set of complementary, interlocking profiles in two pieces of wood, which are then glued. The cross-section of the joint resembles the interlocking of fingers between two hands, hence the name “finger joint”.
Which finger is the first metacarpal?
There are 5 metacarpal bones numbered 1 to 5 and are located between the carpal bones and the phalanges. The first metacarpal bone is associated with the thumb, the 5th metacarpal bone is associated with the little finger.
Where is the first carpometacarpal joint located?
The first CMC joint is located between the trapezium and the base of the first metacarpal. The second CMC joint is located between the trapezoid and the base of the second metacarpal. The third CMC joint is located between the capitate and the base of the third metacarpal.
What is the strongest joint in woodworking?
mortise
What is the strongest woodworking joint? For excellent stability, the mortise and tenon joint is a great choice. It’s a relatively simple joint, yet it holds well. Woodworkers have been using it for generations because of its strength, versatility and simple design.
What are the advantages of finger joints?
Finger Joint Pros
- Makes a straighter joint.
- Less wood gets wasted during manufacturing.
- Cost Effective.
- Durable for a vertical load.
- Adhesives can be applied to create a stronger joint than mortise and tenon.
What type of joint is the 1st carpometacarpal joint?
saddle joint
Joint Anatomy The first CMC joint is a bi–sellar—a double saddle joint formed by the distal articular surface of the trapezium and the base of the first metacarpal.
What type of joint is the 1st metacarpophalangeal joint?
condyloid type synovial joints
Metacarpophalangeal (MCP) joints are condyloid type synovial joints between the metacarpal bones and proximal phalanges of the hands.
What is the 1st MCP joint?
The metacarpophalangeal joint or MP joint, also known as the first knuckle, is the large joint in the hand where the finger bones meet the hand bones. The MCP joint acts as a hinge joint and is vital during gripping and pinching. When arthritis affects the MP joint, the condition is called MP joint arthritis.
Which is the weakest wood joint?
Butt Joint
Butt Joint The butt joint is the simplest joint to make. It is also the weakest wood joint unless you use some form of reinforcement.
Should dovetail joints be glued?
Dovetail joints show the care and craftsmanship applied to woodworking projects. A few simple gluing and assembly tips make dovetail joint easier to put together. The glue can be applied while the pieces are completely separate, which is easier, but can be messy and difficult to fit joints together.
Are finger joint boards strong?
Product Group: Boards The cross-section of the joint resembles the interlocking of fingers between two hands, hence the name “finger joint”. The sides of each profile increases the surface area for gluing, resulting in a strong bond, stronger than a butt joint but not very visually appealing.
