Lecture 6: Flexor Forearm & Hand Flashcards
Where do most anterior (flexor) muscles originate?
Common flexor tendon on medial epicondyle
What nerves innervate most muscles of anterior compartment of forearm?
Median N
What innervates the FCU
Ulnar N
What innervates FDP
Ulnar N
What are the superficial muscles of the anterior forearm?
Flexor Carpi Radialis
Flexor Carpi Ulnaris
Flexor Digitorum Superficialis
Pronator Teres
Palmaris Longus
What is the function of the FCR
Flex + ABDuct wrist
What is the function of the FCU
Flex + ADDuct wrist
What is the function of the FDS
Flex wrist + digits
What is the function of pronator teres
Pronate
Palmaris longus function
Flex wrist
What are the deep muscles of forearm (ant)
Flexor pollicis longus
Flexor digitorum profundus
Pronator quadratus
FPL function
Flex thumb
FDP function
Flex wrist + Digits
Pronator Quadratus function
Pronates
Describe the vasculature of the forearm
Ulnar & Radial A
Ulnar Artery and its subdivisions
Ulnar A –> Common interosseous A –> Anterior Interosseous –> Posterior interosseous
Does the median N travel through the carpal tunnel?
yes!
What two muscles does the median N not supply in ant forearm?
FCP, Medial 1/2 FDP
What are the branches of median nerve?
Anterior interosseous N + Palmar cutaneous branch (over Flexor Ret.)
Where does the Ulnar N run in the forearm?
Behind medial epicondyle, along ulna, to hand