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dorsiflexion
dorsiflexion n.
Brit. 
/ˌdɔːsᵻˈflɛkʃn/
, /ˌdɔːsᵻˈflɛkʃn/U.S. /ˌdɔrsəˈflɛkʃ(ə)n/
Anatomy flexion or bending towards the dorsum or dorsal surface./ˌdɔrsəˈflɛkʃ(ə)n/ΚΠ
1902 D. J. Cunningham Text-bk. Anat. 251 If posterior or dorsal surfaces be approximated by the process of bending, then the flexion becomes posterior or dorsi-flexion, as at the knee- or wrist-joints.
1967 G. M. Wyburn et al. Conc. Anat. vi. 186 Dorsiflexion of the foot is limited by the wedge-shaped trochlear surface of the talus.
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