Anatomy Midterm 3 - Lecture 3.docx

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Department
Anatomy and Cell Biology
Course
Anatomy and Cell Biology 3319
Professor
Michele Barbeau
Semester
Winter

Description
Lecture 3 ­ Muscles of the Forearm (Anterior Compartment) ­ important for pronation and supination – allows bones to slide over each other ­ a lot of insertion points for muscles of forearm ­ muscles that do very complicated movements with hands ­ anterior compartment is called flexor/pronator compartment − If you hold your forearm in the anatomical position, and put your other hand on it at your forearm,  starting from your index finger, pronator to flexor carpi ulnaris − All originate form medial epicondyle of humerus − Some fibers coming off of coronoid process of ulna − Not a major flexor, but some flexion involved − Primarily pronator muscle − Pulmar aponeurosis – specialized collection of tissue with function for musculature of forearm − Weak flexor of hand − Helps tighten up palmar aponeurosis  − Small muscle belly, long tendon − Use this muscle for a tendon graft – to transplant − Not everyone has this muscle ­
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