Anterior Humeral Circumflex Artery (AHCA) Origin: Axillary artery Course: Along the inferior border of subscapularis Gives anterolateral ascending branch which courses along lateral aspect of…
Explore more Blood Supply of Humeral Head
Anatomy
Wrist Ligaments
a. Interosseous: Extend deeply, directly between two bones Radioscapholunate (RSL) aka Ligament of Testut (neurovascular conduit to SL ligament) Scapholunate (SL) and Lunotriquetral (UL) –…
Explore more Wrist Ligaments
Muscles of Back – Simplified
A. Superficial Group (Appendicular group) Arise from vertebral column and attach to shoulder (assist in movement of limbs) a. Most superficial: Trapezius (From external occipital…
Explore more Muscles of Back – Simplified
Internal Iliac Artery Anatomy : Simplified
Origin L5-S1 (common iliac artery bifurcation; anterior to SI joint) Course Extends down and posteriorly ~4 cm until superior margin of greater sciatic foramen and…
Explore more Internal Iliac Artery Anatomy : Simplified
Ligaments of Pelvis
Inherent stability of the pelvis is provided by ligaments. The 3 groups of ligaments are: 1. Sacrum to Pelvis: Sacroiliac ligamentous complex: is divided into posterior…
Explore more Ligaments of Pelvis
Portal Vein : Tributaries and Portocaval Anastomoses
Origin: Hepatic Portal Vein is formed by the union of Splenic vein and Superior mesenteric Vein behind the neck of pancreas at L1 vertebral level. Termination: The…
Explore more Portal Vein : Tributaries and Portocaval Anastomoses
Foot muscles – Layers and Compartments
Deep to the plantar fascia, muscles of plantar foot exist in 4 different layers. Extensor digitorum brevis makes dorsal layer of foot and remaining 18…
Explore more Foot muscles – Layers and Compartments
Radial Tunnel Syndrome (RTS) – Anatomy and Clinical Examination
Synonyms: Radial pronator syndrome, Treatment resistant lateral epicondylitis (tennis elbow) Anatomy of Radial Tunnel The anatomic radial tunnel (~5 cm) extends from the radial head…
Explore more Radial Tunnel Syndrome (RTS) – Anatomy and Clinical Examination