Floor stand for Ipad and Tablets can help see the videos from standing or sofa.
A heavy duty floor stand IPAD 2 or 3 holder can make viewing easier.
IPEVO Perch Sofa / Side Stand for iPad 2 & New iPad 3 - Black (M)
Floor Stand Helps View Dance Lesson Videos
A good tablet floor stand can help see the dance lessons. Be sure to get a good one so the tablet does not fall out and make sure it is compatible with your Ipad 2 or Ipad 3, or other tablet."
Tilt and rotate the Ipad as needed.
For other Tablet models besides the IPAD, check out the universal tablet stand:
iTALKonline BLACK Presentation Portable Compact Lightweight Tablet Stand Adjustable Foldable Tripod Stand, Holder, Cradle for Apple iPad, iPad 2, Android, Blackberry, Motorola, Samsung Tablet PC for Secure Fit & Protection (Pole Height can be adjustable between 10 to 47 Inch and Adjustable Cradle can fit for any Tablet PC has Height between 5.50 to 10 Inch)