dorsiflexPronunciation: /ˈdɔːsɪflɛks/Definition of dorsiflex verb [with object] Physiology bend (something, typically the hand or foot) dorsally or towards its upper surface: the subject dorsiflexed the ankleDerivatives dorsiflexionPronunciation: /-ˈflɛkʃ(ə)n/ noun dorsiflex in other Oxford dictionaries Definition of dorsiflex in the US English dictionary