Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Hand Muscles PTA

musculature /inervation/action/origin/insertion

QuestionAnswer
Adductor Policus ORIGIN:capitate and base of adjacent metacarpals. INSERTION:proximal phalanks of thumb.NERVE:deep branch of ulnar.ACTION:draws thumb toward palm and rotates it medialy.
Lumbricals ORIGIN:tendons of flexor digitorum profundus.INSERTION:extension expansion hood of medial 4 digits.NERVE:deep branch ulnar(medial 2 L's) median (lateral 2 L's).ACTION:flexes fingers and extends interphalgeal joints.
Dorsal Interosseous Muscles ORIGIN:sides of metacarpals.INSERTION:extension expansion hood of digits 2-4.NERVE:deep branch ulnar. ACTION:abducts fingers.
Palmar Interosseous ORIGIN: sides of metacarpals.INSERTION:extension expansion hood of digits 2,4,5. NERVE:deep branch ulnar.ACTION:adduction of fingers.
Palmaris Brevis ORIGIN: anterior retinaculum and palmer aponeurosis.INSERTION:skin ulnar border of hand.NERVE:superficial ulnar. ACTION:pulls on skin over thenar eminence, deepening cup of the palm and improving grip.
Abductor Pollicus Brevis Origin:flexor retinaculum trapezeum. INSERTION:lateral proximal phalanx of thumb.NERVE: median thenar branch.ACTION:abducts thumb and helps opose it.
Flexor Pollicus Brevis ORIGIN:flexor retinaculum trapezium. INSERTION: thumb. NERVE: median thenar branch. ACTION:Flexes the thumb at the first metacarpophalangeal joint.
Opponens Pollicus ORIGIN: flexor retinaculum, trapezium. INSERTION:radial border 1st metacarpal. NERVE:median thenar branch.ACTION:draws 1st metacarpal laterally to opose the thumb toward center of palm and rotates it medially.
Abductor digiti minimi ORIGIN:flexor retinaculum pisiform. INSERTION:proximal phalanx of little finger.NERVE:deep branch ulnar. ACTION:abducts pincky finger.
Flexor digiti minimi ORIGIN:flexor retinaculum (hamate). INSERTION:proximal phalanx (little finger)NERVE:deep branch ulnar.ACTION:flexes proximal phalanx of 5th finger.
Oponens Digiti Minimi ORIGIN:flexor retinaculum,hamate.INSERTION:ulnar medial border(5th metacarpal).ACTION:draws 5th metacarpal anteriorly and rotates it,bringing little finger into oposition with the thumb.
Created by: dwylinmiller