yogabook / muscles / hand / extensor carpi radialis longus
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M. extensor carpi radialis longus
the long wrist extensor that attaches to the femur and is covered by the brachioradialis.
Origin: Crista supracondylaris lateralis humeri, septum intermusculare laterale
Attachment: Base of the second metacarpal bone
Antagonists:
Movement: Dorsiflexion and radial abduction of the wrist, flexion of the elbow joint, with flexed arm: weak pronation, with extended arm: supination