Charles Archer, D.C.

Shoulder instability (SI) occurs when the soft tissues (joint capsule, ligaments, and labrum) that hold the humerus in the shallow ball-and-socket glenohumeral joint become stretched, torn, or detached. When these tissues are damaged, the resulting shoulder instability is characterized as structural. If instability is caused by abnormal muscle activity that places too much or too [..]

When it comes to a condition like chronic knee pain, there are many treatment options available to reduce pain and improve function, including chiropractic care. However, there are cases when a patient may opt for total knee arthroplasty (TKA). In some instances, they may be able to resume their everyday activities, but a segment of [..]

Hip pain is a common complaint that can arise from many different sources including the spine, pelvis, and the knee. Greater trochanteric bursitis or gluteal tendonitis (GT) is a condition that occurs five-times more often in women than men, affecting one-in-four women over 50 years of age. Patients with GT experience pain in the region [..]

With many sports requiring overhead movements that can place the shoulder at the extreme end of its range of motion, it’s not surprising that shoulder injuries are so common among athletes. For instance, up to 50% of NCAA college football players have some history of shoulder injury, which comprises about 10-20% of total injuries in [..]

Osteoarthritis (OA) is the leading cause of knee pain and disability in the elderly population. While treatment to address knee OA will often focus on the knee itself, a patient may also need to change their footwear. Why is that? During normal walking, joint loading is NOT evenly distributed, and the distribution most often greatest [..]

Groin pain syndrome is a term used to describe groin pain without clinical evidence of hernia or hip pathology. Though the condition is thought to affect between 2% and 20% of athletes, there is not a lot of conclusive research on its cause or the best way to treat it. Most of the published research [..]

Shoulder pain is a VERY common problem, especially among individuals over 40 years old. Experts estimate that between 16-30% of the population has experienced shoulder pain in the last month, with subacromial impingement syndrome (SIS) being one of most likely diagnoses made by clinicians. Why is SIS so common? The short answer is because the [..]

There are over 3 million registered youth soccer players in the United States. While playing organized sports offers many benefits to children and teens, the activity also comes with the possibility of injury—especially knee injuries among female players. There are two types of injuries associated with soccer: acute and overuse. Acute injuries have an immediate [..]

Hip pain is a VERY common problem among older adults that can affect their ability to remain independent. While it’s common to assume that hip osteoarthritis (HOA) is responsible for the prevalence of hip pain in the aging population, the Framingham Osteoarthritis Study (FOS) found this isn’t always the case. The authors of the FOS [..]

While the anatomy of the shoulder allows for a wide range of motion and movement, it comes at the cost of a less stable joint, especially for those who routinely perform activities that require lifting the arms. This is likely why shoulder pain is one of the leading reasons patients seek chiropractic care, trailing behind [..]