Joints of the Thumb – Language of Hand and Arm Surgery Series
Sep 2, 2010 · In this article, I’ll quickly show you how to identify the joints in your thumb. In this series of articles, I’ll go through some of these terms along with some helpful diagrams and shed some light on the common language of hand and arm surgery. The three joints are as follows:
ANATOMY OF THE JOINTS OF THE THUMB - Hand Clinics
The three joints of the thumb differ markedly with respect to anatomy and function. Each contributes its own anatomic personality, and when functioning together, they allow the thumb to move with remarkable versatility and grace yet with the stability necessary to perform a wide variety of tasks.
ANATOMY OF THE JOINTS OF THE THUMB - ScienceDirect
Nov 1, 1992 · Thumb rotation primarily takes place at the CMC joint, although the MP and IP joints each contribute a small amount of pronation with flexion. Although much is known about the static structural anatomy of the thumb, its dynamic anatomy requires further investigation.
Anatomy and Pathomechanics of the Thumb - Hand Clinics
Feb 6, 2009 · The thumb TM joint, or carpometacarpal (CMC) joint, is a biconcave-convex or reciprocal saddle joint. The articular structure provides little inherent constraint for joint stability and, therefore, relies on the 16 described ligaments …
FUNCTIONAL ANATOMY AND BIOMECHANICS OF THE THUMB
The thumb is a mechanical unit consisting of strong ligaments and dynamic muscles, providing the resistance to the fingers and palm during pinch and grip. Each thumb joint has a mechanical equivalent that helps explain elements of thumb stability.
Carpometacarpal (CMC) joints: Bones, ligaments, movements
Jul 5, 2023 · There are five CMC joints in total, out of which the carpometacarpal joint of thumb (trapeziometacarpal joint) is the most specialized and flexible. The remaining four CMC joints are functional plane synovial joints that connect the medial four metacarpal bones (metacarpals 2, 3, 4, 5) with the distal row of carpal bones ( trapezium , trapezoid ...
Anatomy of the joints of the thumb - PubMed
The three joints of the thumb differ markedly with respect to anatomy and function. Each contributes its own anatomic personality, and when functioning together, they allow the thumb to move with remarkable versatility and grace yet with the stability necessary to perform a wide variety of tasks.
Anatomy of the thumb: annotated MRI | e-Anatomy - IMAIOS
Oct 2, 2024 · Thanks to the high-resolution 3-T MRI, the complex anatomy of the thumb can be imaged in exquisite detail to provide an accurate diagnosis of clinically important ligament and tendon injuries.
Thumb - e-Anatomy - IMAIOS
The skeleton of the thumb consists of the first metacarpal bone which articulates proximally with the carpus at the carpometacarpal joint and distally with the proximal phalanx at the metacarpophalangeal joint. This latter bone articulates with the distal phalanx at the interphalangeal joint.
Joint Capsule Of The Thumb Anatomy, Function & Diagram - Healthline
Jan 23, 2018 · The joint capsule of the thumb is fibrous and durable, and allows for great mobility. There are nine interphalangeal joints in each hand, two on each finger and one in the thumb.