Palmaris Longus (PL), a phylogenetically degenerated flexor muscle of the metacarpophalangeal joint, takes origin from the medial epicondyle of the humerus as a common flexor origin, and converges distally as a long tendon which crosses the flexor retinaculum superficially. The Read More …
Month: September 2020
Hand Flexor Digitorum Superficialis Muscle
The Hand Flexor Digitorum Superficialis Muscle (FDS), formerly known as the flexor digitorum sublimis, is the largest of the extrinsic flexors of the forearm. It forms the intermediate muscle layer between the superficial and deep muscle groups of the forearm.[rx] Read More …
Flexor Digitorum Superficialis Muscle – Anatomy, Function
The Flexor Digitorum Superficialis Muscle (FDS), formerly known as the flexor digitorum sublimis, is the largest of the extrinsic flexors of the forearm. It forms the intermediate muscle layer between the superficial and deep muscle groups of the forearm.[rx] It Read More …
Flexor Digitorum Superficialis – Anatomy, Nerve Supply
The Flexor Digitorum Superficialis (FDS), formerly known as the flexor digitorum sublimis, is the largest of the extrinsic flexors of the forearm. It forms the intermediate muscle layer between the superficial and deep muscle groups of the forearm.[rx] It contains Read More …
Hand Flexor Digitorum Profundus Muscle – Anatomy, Function
The Hand Flexor Digitorum Profundus Muscle (FDP) is an extrinsic hand muscle that flexes the metacarpophalangeal and distal interphalangeal joints of the index, middle, ring, and little fingers. The flexor digitorum profundus lies in the deep volar compartment of the forearm Read More …
Flexor Digitorum Profundus Muscle – Function, Nerve Supply
The Flexor Digitorum Profundus Muscle (FDP) is an extrinsic hand muscle that flexes the metacarpophalangeal and distal interphalangeal joints of the index, middle, ring, and little fingers. The flexor digitorum profundus lies in the deep volar compartment of the forearm and Read More …
Flexor Digitorum Profundus – Anatomy, Nerve Supply
The Flexor Digitorum Profundus (FDP) is an extrinsic hand muscle that flexes the metacarpophalangeal and distal interphalangeal joints of the index, middle, ring, and little fingers. The flexor digitorum profundus lies in the deep volar compartment of the forearm and Read More …
Hand Flexor Pollicis Longus Muscle – Nerve Supply, Function
The Hand Flexor Pollicis Longus Muscle is a muscle in the forearm and hand that flexes the thumb. It lies in the same plane as the flexor digitorum profundus. This muscle is unique to humans, being “either rudimentary or absent” in other primates.[rx] The flexor pollicis longus Read More …
Flexor Pollicis Longus Muscle – Anatomy, Nerve Supply
The Flexor Pollicis Longus Muscle is a muscle in the forearm and hand that flexes the thumb. It lies in the same plane as the flexor digitorum profundus. This muscle is unique to humans, being “either rudimentary or absent” in other primates.[rx] The flexor pollicis longus (FPL) Read More …
Flexor Pollicis Longus – Anatomy, Nerve Supply, Function
The flexor pollicis longus is a muscle in the forearm and hand that flexes the thumb. It lies in the same plane as the flexor digitorum profundus. This muscle is unique to humans, being “either rudimentary or absent” in other primates.[rx] The flexor pollicis longus (FPL) muscle is one Read More …
Pronator Quadratus Muscle – Anatomy, Nerve Supply
Pronator Quadratus Muscle is a square-shaped muscle on the distal forearm that acts to pronate (turn so the palm faces downwards) the hand. As it is on the anterior side of the arm, it is innervated by a branch of Read More …
Pronator Quadratus – Anatomy, Nerve Supply, Functions
Pronator Quadratus is a square-shaped muscle on the distal forearm that acts to pronate (turn so the palm faces downwards) the hand. As it is on the anterior side of the arm, it is innervated by a branch of the median nerve, the anterior interosseous nerve (roots C8 and Read More …