橈側屈腕肌及尺側屈腕肌都從手肘內側上緣往手腕延伸，一條連接到第二掌骨，另一條連接到豆狀骨再透過豆鈎韌帶、豆掌韌帶連接到第五掌骨一起收縮時會 ...JumptoSectionsofthispageAccessibilityHelpPressalt+/toopenthismenuFacebookEmailorPhonePasswordForgotaccount?CreateNewAccountYou’reTemporarilyBlockedYou’reTemporarilyBlockedItlookslikeyouweremisusingthisfeaturebygoingtoofast.You’vebeentemporarilyblockedfromusingit.English(US)EspañolFrançais(France)中文(简体)العربيةPortuguês(Brasil)Italiano한국어Deutschहिन्दी日本語SignUpLogInMessengerFacebookLiteWatchPlacesGamesMarketplaceFacebookPayJobsOculusPortalInstagramLocalFundraisersServicesVotingInformationCenterBusinessesBusinessesAboutCreateAdCreatePageDevelopersCareersPrivacyCookiesAdChoicesTermsHelpSettingsActivityLogFacebook©2021