Who's Got Your Back? Key Area 3, Administration, Code 3450 June/July 2019 See the magazine article associated with this exam. Name: Email: * Please provide a working email address as we will send you a copy of the answers you select in this exam. Member Status: * Select Member Status Member Non-member Member Number: If you are currently a member, please provide your member id. 1. Nearly ___ of adults suffer from low back pain at some point in their lifetimes. 100% 80% 75% 50% 2. There are __ individual vertebra that compose the spinal column. 24 30 33 36 3. Ligaments are fibrous bands that help hold the vertebrae in place. True False 4. The two main muscle groups that affect the spine are called ___ and ___ . extendors and flextors extension and flexion extensors and flexors latissimus dorsi and erector spinae 5. Strains occur when the ligaments are over-stretched or torn. True False 6. Those who sit at the computer most of the day are at negligible risk for developing back pain. True False 7. ___ can cause chronic lower back pain. Sciatica Joint dysfunction Tumors All of the above 8. When viewed under a microscope, a healthy bone resembles ___. an asteroid a pizza a honeycomb none of the above 9. Aches and trembling are signals that your bones are weakening. True False 10. Contracting your ___ can help to improve your posture. buttocks deltoids biceps all of the above