Unsurprisingly, students engaged more with shorter videos. Traditional in person lectures usually last an hour, but students have much shorter attention spans when looking tutorial videos online. The graph below shows median engagement times versus video length, aggregated over a couple of million video watching sessions:The finest video length is 6 mins or shorter students watched most of doctor way via these short videos. In fact, doctor common engagement time of any video maxes out at 6 mins, despite its length. And engagement times cut back as videos extend: For example, on common students spent around 3 mins on videos which are longer than 12 minutes, which means that they engaged with below a quarter of doctor content material. Finally, certificates incomes scholars engaged more with videos, most likely as a result of that they had enhanced motivation medical learn doctor cloth. They may also be amended by doctor Board when a correction for clarity, conformity or simple name change is deemed essential by doctor Board. Dystonia from Greek, meaning altered muscle tone refers medical a syndrome of involuntary sustained or spasmodic muscle contractions concerning co contraction of doctor agonist and doctor antagonist. The movements tend to be slow and sustained, and they generally occur in a repetitive and patterned manner; but it, they can be unpredictable and range. The common extraordinary posturing and twisting can be painful, and doctor practical impact of dystonia can vary from barely significant clinical significantly disabling. Consequently, dystonias can have a profound effect on doctor private, vocational, and emotional lifetime of a sufferer and can impact his/her ability clinical live independently. Psychological counseling and participation in aid groups are vital adjuncts scientific clinical and actual processes in doctor multidisciplinary management of dystonia.