Knee spasm: Involuntary contractions of the muscles in the knee. See detailed information below for a list of 14 causes of Knee spasm, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Knee spasm: Causes | Symptom Checker Â».
-ness definition, a native English suffix attached to adjectives and participles, forming abstract nouns denoting quality and state (and often, by extension, something exemplifying a quality or state): darkness; goodness; kindness; obligingness; preparedness. See more.
Origin of -ness Expand Old English Middle English, Old English-nes, -nis, cognate with German-nis, Gothic-(n)assus; suffix orig. *-assus; -n-by false division of words with adj. and past participle stems ending in -n-; compare Old English efnes (later efen-nys) evenness