Weak at the knees.
Webster
G
G
Royal Free Hospital, London, UK.
Beynon
H
H
D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D007717:Knee; D008297:Male; D018908:Muscle Weakness / Q000209:etiology*; D018979:Myositis, Inclusion Body / Q000175:diagnosis*