Trochlea of humerus - Wikipedia
网页In the human arm, the humeral trochlea is the medial portion of the articular surface of the elbow joint which articulates with the trochlear notch on the ulna in the forearm. Structure. In humans and other apes, it is trochleariform (or trochleiform), as opposed to cylindrical in most monkeys and conical in some prosimians. [1] .
Elbow joint: Anatomy, ligaments, movements, blood supply
网页2023年9月11日 · The rounded surfaces of the trochlea and capitulum of the humerus rotate against the concave surfaces of the trochlear notch of the ulna and head of the radius. At the elbow joint, the proximal ends of the radius and ulna articulate with each other at the proximal radioulnar joint.
The Elbow Joint - Structure - Movement - TeachMeAnatomy
网页2023年11月2日 · The elbow joint consists of two separate articulations: Trochlear notch of the ulna and the trochlea of the humerus. Head of the radius and the capitulum of the humerus. Note: The proximal radioulnar joint is found within same joint capsule of the elbow, but most resources consider it as a separate articulation. Fig 1.
Clinical anatomy and biomechanics of the elbow - PMC
网页2021年6月24日 · The medial ridge of the trochlea is more prominent than the lateral ridge, which causes 6°–8° of valgus tilt at its articulation with the ulna. 7 (Fig. 2) This contributed to the carrying angle of the elbow, which is defined by the angle formed between the long axis of the humerus with the long axis of the ulna.
Anatomy, Shoulder and Upper Limb, Elbow Joint
网页2023年7月24日 · The olecranon resembles a scoop or a wrench in which a landmark referred to as the trochlear notch, fits around the trochlea of the humerus and serves as the primary pivot point during flexion and extension of the elbow joint.
Trochlea of Humerus | Complete Anatomy - Elsevier
网页The trochlea of humerus is the smooth, pulley-shaped projection found on the inferomedial aspect of the condyle of the humerus. It is the medial of the two articular projections located at the distal end of the condyle of the humerus, the other being the capitulum.
Elbow Anatomy & Biomechanics - Shoulder & Elbow - Orthobullets
网页2024年3月24日 · anatomy at elbow. it leaves the triangular interval (teres major, long head of triceps and humeral shaft) found in spiral groove 13 cm above the trochlea. pierces lateral intermuscular septum 7.5 cm above the trochlea. this is usually at the junction of the middle and distal third of the humerus.
The Elbow Joint: Anatomy and 3D Illustrations - Innerbody
网页2 天之前 · The pulley-shaped trochlea forms a tight joint with the trochlear notch of the ulna surrounding it. On the lateral side, the concave end of the head of the radius meets the rounded, convex capitulum to complete the elbow joint.
anatomy of the elbow - Musculoskeletal Key
网页2016年6月5日 · The trochlear surface of the humerus articulates with the trochlear notch of the ulna along an imaginary line A–A’ which runs slightly oblique (downwards and outwards) in its posterior course. This obliquity explains the physiological valgus position of the elbow in extension (Fig. 5).
Anatomy of the elbow joint: Video, Anatomy & Definition
网页The elbow joint is a hinge type of synovial joint, and it’s actually made up of two separate joints which work together as one. The first joint, called the humero-ulnar joint, is between the trochlea of the humerus and the trochlear notch of the ulna; and second one, called the humero-radial joint situated between the capitulum of the humerus ...
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