Posterior view of the superficial muscles of the left forearm. Extensor carpi radialis longus visible in blue.
Transverse section across the wrist and digits. (Ext. carp. rad. long. labeled at center left.)
Details
Origin
Lateral supracondylar ridge
Insertion
2nd metacarpal
Artery
Radial artery
Nerve
Radial nerve
Actions
Extensor at the wrist joint, abducts the hand at the wrist
Antagonist
Flexor carpi ulnaris muscle
Identifiers
Latin
musculus extensor carpi radialis longus
TA98
A04.6.02.040
TA2
2497
FMA
38494
Anatomical terms of muscle
[edit on Wikidata]
The extensor carpi radialis longus is one of the five main muscles that control movements at the wrist.[1] This muscle is quite long, starting on the lateral side of the humerus, and attaching to the base of the second metacarpal bone (metacarpal of the index finger).
^Garten, Hans (2013-01-01), Garten, Hans (ed.), "M. extensor carpi radialis (longus and brevis)", The Muscle Test Handbook, Churchill Livingstone, pp. 58–59, doi:10.1016/b978-0-7020-3739-9.00029-8, ISBN 978-0-7020-3739-9, retrieved 2020-10-22
and 29 Related for: Extensor carpi radialis longus muscle information
The extensorcarpiradialislongus is one of the five main muscles that control movements at the wrist. This muscle is quite long, starting on the lateral...
"Vascularization of the tendons of the extensor pollicis longus, extensorcarpiradialislongus and extensorcarpiradialis brevis muscles". J Anat. 135 (Pt 2): 235–44...
flexor carpi ulnaris is the most medial (closest to the little finger) of these. The most lateral one is the tendon of flexor carpiradialismuscle, and...
The palmaris longus is a muscle visible as a small tendon located between the flexor carpiradialis and the flexor carpi ulnaris, although it is not always...
Extensorcarpimuscle may refer to: Extensorcarpiradialis brevis muscleExtensorcarpiradialislongusmuscleExtensorcarpi ulnaris muscle This disambiguation...
that of the extensor pollicis longus or abductor pollicis longusmuscle. In a close relationship to the abductor pollicis longus, the extensor pollicis brevis...
lumbrical muscles to form the extensorhood mechanism. The primary function of the extensors is to straighten out the digits. The thumb has two extensors in the...
wrist extensors, the extensorcarpiradialislongus and the extensorcarpiradialis brevis. The third compartment exclusively accommodates the extensor pollicis...
the intercarpal ligaments, and the sheath of the tendon of the flexor carpiradialis. From this origin the greater number of fibers pass obliquely downward...
other three are the triceps, anconeus, and extensorcarpiradialislongus. (All other posterior compartment muscles that receive radial innervation are supplied...
surface. The forearm contains many muscles, including the flexors and extensors of the wrist, flexors and extensors of the digits, a flexor of the elbow...
for the origin of forearm extensors, including the brachioradialis muscle above, and the extensorcarpiradialislongusmuscle below. It also presents a...
and intrinsic muscle groups. The extrinsic muscle groups are the long flexors and extensors. They are called extrinsic because the muscle belly is located...
tendons of the palmaris longus and flexor carpi ulnaris are partly attached to the surface of the retinaculum; below, the short muscles of the thumb and little...
enthesopathy of the extensorcarpiradialis origin, is an enthesopathy (attachment point disease) of the origin of the extensorcarpiradialis brevis on the...
contains abductor pollicis longus and extensor pollicis brevis. The second compartment contains extensorscarpiradialislongus and brevis. The third compartment...
vestigial muscles that are present in some people but absent in others, such as the palmaris longusmuscle. There are between 600 and 840 muscles within...
Extensor tendon compartments of the wrist are anatomical tunnels on the back of the wrist that contain tendons of muscles that extend (as opposed to flex)...
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