Elbow/Wrist Muscles Flashcards
Abductor Pollicis Longus
origin - interosseous membrane, posterior
insertion - lateral base of 1st
action - radial abduction of thumb, extension of thumb at carpometacarpal joint
Extensor Policics Longus
origin - Posterior ulna @ interosseous membrane
insertion - distal thumb
action - extension of thumb at interphalangeal joint
Extensor Policis Brevis
origin - posterior ulna and interosseous membrane
insertion - distal thumb
action - extension of thumb at interphalangeal and carpometacarpal joint.
Extensor Carpi Radialis Longus
origin - supercondylar ridge of lateral epicondyle.
insertion - base of second metacarpal.
action - extending the wrist, slight elbow flexion, radial deviation.
Extensor Carpi Radialis Brevis
origin - lateral epicondyle
insertion - 3rd metacarpal
action - extension of wrist and radial deviation
Extensor Digitorum Communis
origin - lateral epicondyle.
insertion - distal phalynx 2-4
action - slight elbow flexion, wrist extension, extension of fingers.
Extensor carpi Ulnaris
origin - lateral epicondyle
insertion - base of 5th metacarpal.
action - ulnar deviation, wrist extension, slight elbow flexion.
Some Lovers Try Positions That They Can’t Handle
Scafoid. Lunate. Triquertral. Pisiform. Trapeqium. Trapezoid. Capitate. Humate.
Flexor Carpi Radialis
origin - medial epicondyle of humorous
insertion - 2-3 phalanx
action - radial deviation.
Flexor Carpi Ulnaris
origin - medial epicondyle
insertion - 5th phalanx
action - deviation ulna
Flexor Digitorum Superficialis
origin - medial epicondyle.
insertion - DIP joint
action - slight elbow, wrist flexor, proximal interphalangeal flexor.
Flexor Digitorm Profundus *
origin - below elbow joint
insertion - distal phalanx of 4 digits.
action - bend fingers slightly down.
Flexor Policus Longus
origin - Anterior distal 3rd of radius
insertion - distal phalanx of thumb
action - allows thumb flexion. `
Thenar Emminence
padding of the thumb
hypothenar eminence
pinky padding area.
