Radiology Key

Radial Nerve TERMINOLOGY Abbreviations • Extensor indicis (EI) GROSS ANATOMY Arm • Radial nerve is largest branch of posterior cord of brachial plexus  Receives contributions from cervical roots C5-C8  Contains motor and…

Hand EXTRINSIC FLEXOR MUSCLES: DIGITS 2-5 Flexor Digitorum Superficialis • Origin: Common flexor tendon origin (medial humeral epicondyle) & midradius • Insertion: Volar plate proximal interphalangeal (IP) joints & bases of middle…

Metatarsals and Toes IMAGING ANATOMY Overview • In normal weight-bearing stance, all metatarsal heads are at same level and all are weight bearing  Metatarsophalangeal (MTP) joints are slightly extended in standing…

Approach to Musculoskeletal Ultrasound Ultrasound Machine To perform musculoskeletal US, you first need access to a US machine equipped with a high-resolution transducer. Second, you need to understand, at least,…

Hand Vessels TERMINOLOGY Abbreviations • Abductor pollicis longus (APL) • Extensor pollicis longus (EPL) • Extensor pollicis brevis (EPB) • Flexor retinaculum (FR) • Pronator quadratus (PQ) GROSS ANATOMY Arteries • Radial artery  Terminal branch of…

Arm IMAGING ANATOMY Overview • Muscles of upper arm are divided into anterior and posterior compartments Anatomy Relationships • Anterior compartment of arm  Coracobrachialis muscle – Origin: Coracoid process tip, in common with…

Sternoclavicular and Acromioclavicular Joints TERMINOLOGY Abbreviations • Sternoclavicular (SC) joint • Acromioclavicular (AC) joint GROSS ANATOMY Sternoclavicular Joint • Between medial end of clavicle & manubrium  Synovial sellar-type (saddle) joint  Medial end of…