Two terms that come up often when it comes to movement are flexion and extension. Understanding concepts like flexion versus extension can help you better understand the purpose of your workouts ...

Two terms that come up often when it comes to movement are flexion and extension. Understanding concepts like flexion versus extension can help you better understand the purpose of your workouts ...

McArdle sign is related to a diagnosis of MS; however, this sign has been described only twice previously. When defined as a reduction in neck strength >10% with neck flexion, McArdle sign is 100% ...

Researchers found that these patients are 26% weaker than controls with respect to neck extension muscles, that they have a 12% smaller extension/flexion ratio, and that they have a borderline ...

The normal range of neck flexion is 90 degrees, and the normal range of neck extension is 70 degrees. 7 Patients’ range of motion may be age-dependent, with older patients having a smaller range.