To send video messages, you need to be running Skype for Android on a device with a camera. Recording video messages with Skype for Android is easy: 1  Sign in to Skype. 2  There are two ways to start recording a video message.  From Recents tap the floating action button .
Vertebral Compression Fracture. A vertebral compression fracture (VCF) is a break in a part of the vertebra. Vertebrae are the round, strong bones that form your spine. VCFs most often occur in the thoracic (middle) and lumbar (lower) areas of your spine. Fractures may be mild to severe.
Compression. 1  At the microscopic level the failure mechanism for bone tissue in compression is mainly oblique cracking of the osteons. 2  The type of fracture that occurs in compression is an oblique fracture at an angle of 30 degrees as shear forces at this angle are responsible for the failure.