What Is Extensor Pollicis Longus?/Extensor Pollicis Longus is part of the deep extensors of the forearm together with extensor pollicis brevis, abductor pollicis longus, extensor indicis and supinator muscles. It is located on the posterior aspect of forearm, extending from the middle third of the ulna, and adjacent interosseous membrane, Read More …
Month: September 2020
Hand Extensor Pollicis Brevis Muscle – Function, Anatomy
Hand Extensor Pollicis Brevis Muscle (EPB) found in current anatomical textbooks describes its origin as the posterior surface of the radius and the adjacent part of the interosseous membrane, distal to the attachment of the abductor pollicis longus (APL). Its Read More …
Extensor Pollicis Brevis Muscle – Anatomy, Nerve Supply
Extensor Pollicis Brevis Muscle (EPB) found in current anatomical textbooks describes its origin as the posterior surface of the radius and the adjacent part of the interosseous membrane, distal to the attachment of the abductor pollicis longus (APL). Its tendon Read More …
Extensor Pollicis Brevis – Anatomy, Nerve Supply, Function
Extensor Pollicis Brevis (EPB) found in current anatomical textbooks describes its origin as the posterior surface of the radius and the adjacent part of the interosseous membrane, distal to the attachment of the abductor pollicis longus (APL). Its tendon is Read More …
Nail – Anatomy, Structure, Functions, Clinical Significance
The nail functions by protecting the digits and contributing to tactile sensation. Understanding nail anatomy is not only essential for understanding physiology but also comprehending the pathophysiology behind many nail presentations. Clinically, many cutaneous and systemic diseases can manifest on Read More …
Nursemaid’s Elbow – Causes, Symptoms, Treatment
Nursemaid’s elbow, or “radial head subluxation” is a common injury in young children in which the radial head slips under the annular ligament resulting in pain and inability to supinate the forearm. Diagnosis is usually based on clinical exam and Read More …
Radial Tunnel Syndrome – Causes, Symptoms, Treatment
Radial Tunnel Syndrome refers to a rare compressive neuropathy of the posterior interosseous nerve (PIN) as it passes through the radial tunnel resulting in pain without motor or sensory dysfunction.[rx] This pain-only phenomenon is contrasted with PIN compression syndrome, which describes Read More …
Hand Adductor Pollicis Muscle – Anatomy, Nerve Supply
Hand Adductor Pollicis Muscle indicated an extensive origin of both the transverse and oblique heads. The origins included the second, third, and fourth metacarpal bones and the capitate, trapezoid, and trapezium bones. Soft tissue origins included intermetacarpal ligaments and the anterior Read More …
Adductor Pollicis Muscle – Anatomy, Function, Nerve Supply
Adductor Pollicis muscle indicated an extensive origin of both the transverse and oblique heads. The origins included the second, third, and fourth metacarpal bones and the capitate, trapezoid, and trapezium bones. Soft tissue origins included intermetacarpal ligaments and the anterior fascia Read More …
Adductor Pollicis – Anatomy, Nerve Supply, Functions
Adductor Pollicis muscles indicated an extensive origin of both the transverse and oblique heads. The origins included the second, third, and fourth metacarpal bones and the capitate, trapezoid, and trapezium bones. Soft tissue origins included intermetacarpal ligaments and the anterior Read More …
Hand Opponents Pollicis Muscle – Anatomy, Nerve Supply
The Hand Opponents Pollicis Muscle is a small, triangular muscle that originates from the flexor retinaculum and the tubercle of the trapezium, and inserts into the radial side of the metacarpal bone of the thumb. It lies lateral to the flexor Read More …
Opponens Pollicis Muscle – Anatomy, Nerve Supply, Function
The Opponens Pollicis Muscle is a small, triangular muscle that originates from the flexor retinaculum and the tubercle of the trapezium, and inserts into the radial side of the metacarpal bone of the thumb. It lies lateral to the flexor pollicis Read More …