WebSpiral groove . next it courses through the spiral groove between lateral and medial heads of triceps. bottom line = Safe zone posteriorly of 10 cm distal to the lateral acromion and 10 cm proximal to lateral epicondyle; … WebMar 9, 2024 · It follows the spiral groove of the humerus, piercing the lateral intermuscular septum (10 cm proximal to the lateral epicondyle) from posterior to anterior, and runs …
Radial Nerve Entrapment - Medscape
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The Radial Nerve - Course - Motor - Sensory
Weblandmarks. The area between the axillary nerve and the spiral groove is the proximal safe zone of the posterior humerus. The distal safe zone is distal to the spiral groove. B, … WebFeb 2, 2024 · The radial nerve lies posterior to the axillary artery in the axilla and enters the posterior compartment of the arm under teres major muscle via the triangular interval . In … WebJun 22, 2024 · The radial nerve runs posteriorly around the middle third of the humeral shaft in the spiral groove. The medial and lateral epicondyles are at the lower end of the humerus, and the joint surface consists of the … sick pay in california 2021