muscle [′məs·əl] (anatomy) A contractile organ composed of muscle tissue that changes in length and effects movement when stimulated. (histology) A tissue composed of cells containing contractile fibers; three types are smooth, cardiac, and skeletal. ...
Anatomy of the intrinsic hand muscles revisited: part II. Lumbricals. Plast Reconstr Surg 2002; 110(5):1225-31.Eladoumikdachi F, Valkov PL, Thomas J, Netscher DT. Anatomy of the intrinsic hand muscles revisited (part 2...
Causes of the Great Depression bones of the human handBones of the hand, showing the carpal bones (wrist bones), metacarpal bones (bones of the hand proper), and phalanges (finger bones). anatomy Print Written and fact-checked by The Editors of Encyclopaedia Britannica ...
Each lumbrical muscle originates from one or two adjacent tendons of the flexor digitorum profundus muscle. Lumbricals 1-2 are usually unipennate, meaning their fibers arise obliquely from one tendon, while lumbricals 3-4 are bipennate, arising from two adjacent tendons. The first lumb...
分析: 当掌指关节过伸时,伸肌腱的滑动和力量直接通过矢状带(Sagittal Band)到达掌板(Volar Plate),很少或几乎没有力量会直接传到远端,此时指间关节将会屈曲(图9),除非有其他肌肉-肌腱单元(Muscle-Tendon Units)作用(固有肌)。故固有肌瘫痪时,若掌指关节过伸,将无法主动伸直手指间关节。手术或支具干预的目标均为...
an accessory muscle and tendon from the flexor superficialis to the flexor pollicis longus • an accessory head of the flexor pollicis longus (Gantzer’s muscle) • an aberrant radial artery • a tendinous origin of variant muscles • an enlarged bicipital bursa encroaching on the median...
(Yale, 2017). The experience with nerve injuries and paralysis has naturally led to refinements in tendon transfers to improve function in the hand and upper extremity, and better understanding of muscle physiology, nerve repair and biomechanics has enabled hand surgeons to restore function to the ...
The radial pulse can be palpated in the distal forearm, immediately lateral to the prominent tendon of the flexor carpi radialis muscle ulnar artery ■supplies the anteromedial aspect of the forearm. It contributes to an anastomotic network surrounding the elbow joint. ...
Speed:0.8x|0.9x|1x|1.25x|1.5x Related article Lumbrical muscles of the hand Read article Transcript Hi there! It’s Matt from Kenhub, and in this tutorial, we will discuss the lumbrical muscles of the hand. The lumbrical muscles are four short muscles of the hand located in themetacar...
Forearm Muscles | Overview, Anatomy & Functions from Chapter 6 / Lesson 8 107K Learn about forearm muscle anatomy including arm, wrist, and hand muscles. Learn about the different functions of the muscles and how they contribute to movement. Related...