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Actions of Hand&Wrist

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studymorr's version from 2015-08-25 00:48

Section

Question Answer
Extend the 2 through 5 fingers at the interphalangeal jointsLumbricals of the Hand, Flexor Digitorum Profundus, Flexor Digitorum Superficialis, Extensor Digitorum
Flex the 2 through 5 fingers at teh metacarpophalangeal jointsLumbricals of the Hand, Flexor Digitorum Profundus, Flexor Digitorm Superficialis, Extensor Digitorum
Adduct the thumb Adductor Pollicis
Assist to flex the thumbAdductor Pollicis
Opposition of the thumb at the carpometacarpal joint (bringing the pads of thumb and 5 finger together)Opponens Pollicis,
Flex the thumbFlexor Pollicis Brevis, Flexor Pollicis Longus
Abduct the thumbAbductor Pollicis Brevis, Abductor Pollicis Longus
Assist in opposition of the thumbFlexor Pollicis Brevis, Abductor Pollicis Brevis
Assist to flex the wristFlexor Pollicis Longus, Flexor Digitorum Profundus
Extend the thumb (interphalangeal joint)Extensor Pollicis Brevis, Extensor Pollicis Longus
Abduct the wrist Extensor Pollicis Brevis, Abductor Pollicis Longus
Extend the thumb (Metacarpophalangeal and carpometacarpal joints)Extensor Pollicis Brevis, Extensor Policis Longus, Abductor Pollicis Longus
Assist to extend the wristExtensor Digitorum
Elevate the mandible Masseter, Temporalis, Medial Pterygoid
May assist to protract the mandible Masseter
With the ribs fixed, laterally flex the head and nech to the same sidePosterior Scalene, Middle Scalene, Anterior Scalene
Rotate head and neck to the opposite sidePosterior Scalene, Middle Scalene, Anterior Scalene, Sternocleidomastoid
Elevate the ribs during inhalationPosterior Scalene, Middle Scalene, Anterior Scalene
Laterally flex the head and neck to the same sideSternocleidomastoid
Flex the neckSternocleidomastoid
Assist to elevate the rib cage during inhalationSternocleidomastoid
Retract the mandible Temporalis
Protract the mandibleMedial Pterygoid, Lateral Pterygoid
Laterally deviate the mandible to the opposite sideMedial Pterygoid, Lateral Pterygoid
Assist to depress the mandiblePlatysma
Tighten the fascia of the neckPlatysma
Draw down corner of the mouthPlatysma
memorize

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