The Flexor Pulley System of the Hand - TeachMeAnatomy
2020年6月7日 · The flexor pulley system of the hand is a complex structure that co-ordinates flexion of the digits. It consists of: Long flexor tendons – and their associated synovial sheaths. Annular pulleys – 5 associated with each finger, 2 associated with the thumb. Cruciate pulleys – 3 associated with each finger.
Body Anatomy: Upper Extremity Tendons | The Hand Society
FDS tendons help bend the index, middle, ring, and small fingers at the middle finger joint. They are powered by a common muscle belly shared by all the fingers, which divides into 4 tendons. They travel down the forearm and within the carpal tunnel.
Acute Finger Injuries: Part I. Tendons and Ligaments | AAFP
2006年3月1日 · A basic understanding of the complex anatomy of the finger and of common tendon and ligament injury mechanisms can help physicians properly diagnose and treat finger injuries.
Anatomy of the Hand and Wrist - Cleveland Clinic
2023年6月12日 · Your hand and wrist have two groups of tendons: Extensor tendons: Tendons that help you extend and straighten your fingers, hand and wrist. Flexor tendons: Tendons that help you flex and curl your fingers, hand and wrist.
Hand-Finger normal - ULTRASOUNDPAEDIA
Anatomy of the hand & finger extensor tendons. Nailbed: The nail, nail bed (matrix) and underlying bone surface can easily be assessed. Anatomy of the nail apparatus A, nail plate; B, proximal nail (eponychial) fold; C, hyponychium; D, nail bed (sterile matrix); E, nail bed (germinal matrix); F, periosteum; G, bone of distal phalanx.
Complete Guide to Finger Anatomy with Parts, Names & Diagram
2024年2月6日 · Each finger comprises three small bones called phalanges, which give the finger its shape and strength. These bones are connected by joints and surrounded by a network of muscles, tendons, and ligaments, which allows smooth and coordinated movement. Tendons connect muscles to bones, helping fingers bend, grip, and release objects.
Hand Anatomy - eOrthopod.com
The tendons that allow each finger joint to straighten are called the extensor tendons. The extensor tendons of the fingers begin as muscles that arise from the backside of the forearm bones. These muscles travel towards the hand, where they eventually connect to the extensor tendons before crossing over the back of the wrist joint. As they ...
MRI of the Fingers: An Update - AJR
2019年7月3日 · In this update article, we will review general guidelines for imaging and emphasize normal finger anatomy as it relates to abnormalities and injuries. State-of-the-art MRI of the small structures in the fingers requires high spatial resolution.
MRI of Finger Tendons - Radiology Key
2016年5月26日 · It is MRI that has emerged as a powerful tool in the identification and characterization of lesions of the extensor and flexor tendons of the hand and finger as a result of its excellent soft tissue contrast and multiplanar imaging capabilities. The basic MRI anatomy of the tendon units of the finger and thumb are discussed.
The Extensor Expansion of the Hand - TeachMeAnatomy
2024年3月9日 · The extensor expansion (extensor hood) of the hand is a specialised connective tissue structure by which the extensor tendons insert onto the phalanges. It is a complex structure which acts to balance the forces from a large number of muscles that act on the digits.