knee joint

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Human body in Spanish

luonut Paulina Grudzińska

Parts of body

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地球的自轉

luonut wu ifan

WebHelpDyslexia: A Browser Extension to Adapt Web Content for People With Dyslexia

luonut Viviana Hernandez

bending forward and backwards

movement round the long axis of the bone turning outwards at 30-40 degrees.

knee joint

Range of motion

external rotation

internal rotation

movement round the long axis of the bone turning inwards at 20-30 degrees

extention

straightening or bending backwards

flexion

classification

synovial joint

Hinge joint