Which muscle(s) are used to extend and splay your fingers outward?
The elbow joint is found between the upper arm and the forearm. The forearm is comprised of the radius, ulna and muscles responsible for movements in this area.
Answer and Explanation:
The extensor digitorum is the muscle used to extend and splay fingers outward. The extensor digitorum muscle is a type of extensor muscle and it is...
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fromChapter 12 / Lesson 8