As well as old leases, you should keep anything that documents the landlord-tenant relationship or supports the items you report on your tax return. If the IRS audits your tax return and you cannot produce the correct verification documents, you may be liable for additional tax and penalties.
The facet joints link the vertebrae together and give them the flexibility to move against each other. The facets are the bony knobs that meet between each vertebra. There are two facet joints between each pair of vertebrae, one on each side.
The cervical spine is the upper part of your spine that supports your neck. The cervical spine has seven vertebrae. The middle part of your back is your thoracic spine. It is made up of 12 vertebrae. The lumbar spine is your lower back and has five vertebrae. Spinal compression can occur in any of these areas.