Abductor Pollicis Longus Flashcards
Actions
Extend the thumb
Abducts the thumb
Abducts the wrist
Origin
The posterior surface of the radius and ulna and the interserroseous membrane
Insertion
Base of the first metacarpal
Nerves
Radial nerve C6, 7, 8
Nerve C6 Location
nerve roots that exit the spinal cord above the 6th vertebra in the neck
Nerve C7 Location
nerve roots that exit the spinal cord above the 7th vertebra in the neck
Nerve C8 Location
nerve roots that exit the spinal cord below the 7th vertebra in the neck
C6-8 Travel through what and feeds what?
What does it move?
They travel through the brachial plexus and become the nerves that feed the muscles and bend the elbow and straighten the wrist.
C6-8 provide sensation to
They provide sensation to parts of the thumb side of the forearm and hand.
Radial Nerve helps move
Helps move your elbow, wrist, hand, and fingers.
Radial Nerve Location
Runs down back of arm from armpit to hand.
Radial Nerve System and what it sends signals to
Part of peripheral nervous system which sends signals from brain to arms, fingers, lower limbs, skin, and internal organs.
What system is the radial nerve system part of
Peripheral nervous system
What does the peripheral nervous system do?
send signals from brain to arms, fingers, lower limbs, skin, internal organs.
