Which of the following are two mechanical risk factors for low back pain?

Prepare for the Chiropractic Methods Exam 2 with a range of flashcards and multiple choice questions. Understand chiropractic methods and gain confidence with hints and explanations for each question. Ace your exam preparation!

Mechanical loads and how the spine is supported during movement are being tested here. Poor core stability means the trunk muscles aren’t adequately controlling the spine, so the lumbar region ends up bearing more load and experiencing more shear and flexion moments during tasks. That increases the stress on discs, ligaments, and joints and raises the risk of strain and injury. Repetitive lifting while bending and twisting subjects the lumbar spine to repeated flexion and rotation, causing cumulative microtrauma to the structures that can lead to pain over time. The other options describe factors that are not about how the spine is mechanically loaded: a sedentary lifestyle relates to deconditioning, while regular aerobic exercise and adequate sleep support overall health and reduce risk rather than creating mechanical loading patterns.