Englishfor English speakers
flexion
—
noun
act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased
—
noun
(= inflection)
deviation from a straight or normal course
—
noun
(= flexure)
the state of being flexed (as of a joint)
contracture
—
noun
an abnormal and usually permanent contraction of a muscle