If you have defensible doubts that the data are actually rubbish (say, an fMRI data set littered with spikes, distortions, and excessive motion artifacts, or a social psychology study where you discovered posthoc that all the participants were illiterate and couldn't read the questionnaires) then by all means throw them in the bin. (neuroneurotic.net)
Specifically, the upper bone of the joint is the Femur and the lower bone of the joint is the Tibia.The Cranial Cruciate Ligament connects the posterior (rear area) of the Femur, to the anterior (front area) of the Tibia.This ligament helps prevent excessive motion between these two bones. (aerowoodanimalhospital.com)
It's much too slow of a camera to capture motion of any kind, leading to excessive motion blur more often than not ruining a shot. (9to5google.com)