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30 Οκτ 2023 · The radial tuberosity is a large bony projection on the medial surface of proximal part of the radius, just distal to the neck. The posterior part of the tuberosity, which forms the majority of its surface, is roughened and serves as the attachment point for the tendon of the biceps brachii.
- Biceps Brachii Muscle
The biceps brachii muscle is one of the chief muscles of the...
- Biceps Brachii Muscle
30 Οκτ 2023 · The biceps brachii muscle is one of the chief muscles of the arm. The origin at the scapula and the insertion into the radius of the biceps brachii means it can act on both the shoulder joint and the elbow joint, which is why this muscle participates in a few movements of the arm.
Beneath the neck of the radius, on the medial side, is an eminence, the radial tuberosity; its surface is divided into: a posterior, rough portion , for the insertion of the tendon of the biceps brachii .
27 Μαρ 2024 · The distal insertion of the biceps tendon has two components: a bifid tendon descends onto the posterior margin of the radial tuberosity of the proximal radius which is associated with a small bursa to facilitate supination and pronation.
The radial (bicipital) tuberosity is the oval, elevated area found on the anteromedial aspect of the proximal part of the radius. It is located inferior to the neck of the radius. It provides an insertion site for the biceps brachii muscle.
30 Ιαν 2024 · This illustration shows the origins of the biceps brachii, tendons of the long and short heads of the biceps, and the muscle's insertion on the radial tuberosity. The labeled bony structures are the coracoid and radius.
Both heads course distally and become a confluent muscle belly before tapering across the anterior aspect of the elbow, to insert on the radial tuberosity and the fascia of the forearm via the bicipital aponeurosis. Approximately 30% of adults have some variation in the origin of the muscle.
