Why did Grandpa drop the glass?
Mark L
ML
Latash
Jamie A
JA
Johnston
D000368:Aged / Q000523:psychology*; D000369:Aged, 80 and over / Q000523:psychology*; D005260:Female; D018737:Hand Strength / Q000502:physiology*; D006801:Humans; D008297:Male; D009068:Movement / Q000502:physiology*