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 is the stress that squeezes rocks together. Compression causes rocks to fold or fracture (break)(Figure 7.1). When cars driving around a parking lot collide, compression causes the cars to crumple. Compression is the most common stress at convergent plate boundaries.