How Your “Musculoskeletal Mindset” Can Impact Injury Risk at Work

While the study of orthopedics has traditionally placed emphasis on the physical influencers impacting our bones, tendons, ligaments and other surrounding soft tissue comprising the musculoskeletal system, new research now spotlights the increasingly important role of workplace “psychosocial” factors on musculoskeletal disorders (MSD).Tired man being overloaded at work

According to the Canadian Centre for Occupational Health and Safety (CCOHS), a workplace psychosocial factor is defined as “a non-physical aspect of the workplace that is developed by the culture, policies, expectations and social attitude of the organization.” [1]

Basically, psychosocial factors umbrella the different emotional responses to the demands placed on workers while performing their job –  including frustration, dissatisfaction, depression and despair. The resulting stress induces physiological responses that can contribute to the development of musculoskeletal disorders.

New research reported by the CCOHS identifies some physiological responses to psychosocial factors, including:

  • Increased blood pressure, which in small joint spaces can increase pressure on tendons, ligaments and nerves.
  • Increased fluid pressure over a prolonged period of time can also increase pressure in joints and on surrounding soft tissue as well as the carpal tunnel.
  • Reduction of growth functions can reduce production of collagen and consequently the body’s ability to heal or recover after performing work functions.
  • Over time a decreased sensitivity to pain can prompt workers to work beyond their body’s physical capacity, predisposing it to injury.
  • Increased muscle tension can increase pressure on and around the joints and may cause excessive use of force during certain activities and movements.
  • The body’s heightened state of sensitivity may overburden the musculoskeletal system by prompting a person to lift more, work faster, etc.

It is difficult in our current healthcare environment to directly attribute “workplace psychosocial factors” as a cause of workplace MSD, because of the many other factors that contribute to such disorders/injuries (biomechanical, etc.). Increasingly, though, evidence and newly published scientific research studies are helping to spotlight the role that these factors play, and the link between “stress induced physiological changes” and musculoskeletal disorders.

Additionally, a growing number of research studies are reporting a link between emotional disorders (anxiety, depression) and medical and surgical complication rates, lower patient satisfaction scores and readmission risk in joint replacement patients. [2,3]

There will likely be much more research on these topics in the coming years.

This new information underscores the importance of identifying and addressing psychological stressors and our response to them, as they are proving to have a significant impact on not only the cardiovascular but also the musculoskeletal system – two vital contributors to overall health and well-being.

 

References

  • Canadian Centre for Occupational Health and Safety (CCOHS), cchos.ca , https://www.ccohs.ca/oshanswers/psychosocial/musculoskeletal.html .
  • Wood TJ, Thornley P, Petruccelli D, et al. Preoperative predictors of pain catastrophizing, anxiety and depression in patients undergoing total joint arthroplasty. J Arthroplasty. 2016 Dec;31(12):2750-2756.
  • Gold HT, Slover JD, Joo L, et al. Association of depression with 90-day hospital readmission after total joint arthroplasty. J Arthroplasty. 2016 Nov;31(11):2385-2388.

 

 

Cowboy Casualties and the Rigors of Rodeo Life

While the Houston Livestock Show and Rodeo has come and gone, the rodeo athletes who kept us captivated as they rode, roped and wrangled their way across the arena for the duration are on to a new city – and not even half way through their rodeo season.

The life of a rodeo athlete, many true cowboys at heart, is one of unyielding dedication and physicality.

Those who have participated since youth in rodeo events have built both strengths and vulnerabilities to the ongoing rigors of rodeo life. Proper mental and physical conditioning are key in avoiding serious injury.Rodeo Quote

While many of the injuries commonly associated with these athletes include concussions and fractures, others are the result of ongoing strain placed on the same limbs, ligaments and joints day in and day out for months at a time.

Many rodeo athletes begin in their teens, tie-down roping calves before progressing to adult wrangler, bull or bare back rider.  The years of hand and upper extremity strain predisposes this athlete to tendonitis in the hand, wrist, elbow and shoulder. Known as a repetitive stress or overuse condition, without proper treatment it can cause chronic inflammation, joint instability and eventually the early onset of arthritis.

Recognizing early signs of tendinopathic injuries and conditions and establishing an effective treatment program is key.

Tendonitis

Tendonitis (also spelled Tendinitis) is the inflammation of the tendons and other soft tissue connecting muscle to bone.  It is most often caused by repetitive movement, placing strain on the tendon and negatively impacting the affected area over time.  It may also occur following a sudden more serious injury such as a fracture or dislocation.

Tendonitis can affect different parts of the body.  Some of the commonly diagnosed upper extremity tendinopathies include Tennis Elbow, Golfer’s Elbow, deQuervain’s Tenosynovitis, Pitcher’s Shoulder and Swimmer’s Shoulder – named after the repetitive motion and sport implicated.  Though, many other activities and types of sports can result in one of these types of tendinopathies as well.

Among rodeo athletes, wrist tendonitis and tendon damage is particularly common, both as a result of the repetitive stress on the wrist and fractures and other trauma this athlearthritis_tendinitis_elbow_strainte sustains.

Symptoms

Symptoms of tendonitis may include;

  • Pain and swelling
  • A feeling of friction as the tendon moves
  • Warmth and redness about the affected area
  • A lump that develops along the tendon
  • Difficulty moving

A tendon rupture may result in a gap felt in the line of the tendon and would manifest with weakness or lack of function of that muscle.

 

Tendinosis

Tendinosis is often referred to as “chronic tendonitis” and is damage to a tendon at a cellular level.  In fact, “osis” represents a pathology of “chronic degeneration” without inflammation.  Key identifiers include disrupted collagen fibers within the tendon, increased cellularity and neovascularization.  This condition is thought to develop from micro tears, repeated injury and increases the risk of tendon rupture. While pain associated with this condition may be addressed similarly to that of tendonitis, emphasis is on stimulating collagen synthesis and breaking the cycle of tendon injury.

Extensor Carpi Ulnaris (ECU) InstabilityWrist Tendonitis

The ECU tendon of the wrist attaches the ECU muscle to the bone and is responsible for straightening and rotating as well as gripping and pulling movement in the wrist and hand. While this tendon normally slides over the forearm (near the little finger), held in place by the retinaculum (ligament-like structure), damage to the area can cause it to slip in and out of place (sublux) or dislocate completely.

Treatment

Treatment for and recovery from a tendinopathic condition will depend on the type and severity.  While minimally invasive corticosteroid injections have proven effective in relieving pain, rest from the repetitive activity contributing to the condition is also indicated.  Stretching and strengthening exercises are also proving effective.

In severe cases, or when the tendon becomes displaced and nonsurgical treatment fails to resolve the problem, surgical intervention may be indicated.  Surgical intervention may include repair of the retinaculum, tendon lining (tendon sheath), or tendon – or to replace the tendon if it is torn.

Prevention

While many injuries in the life of a rodeo athlete cannot be avoided, damage can be reduced by staying fit and strong overall.  Strength and flexibility, combined with periods of rest and other activities involving different muscle groups will help reduce risk of injury and the impact of a tendinopathic condition.

According to long time rodeo professional and bareback rider Cody Goodwin, “every ride is like getting in a car wreck.”

“You have to be in pretty darn good shape, which is why I jog four miles every other day and lift weights every other day – to develop lean muscle mass,” said Goodwin.

“I take good care of my body, so that I can, at my age, continue to compete with 20 and 25-year-old riders,” added the 41-year-old rodeo veteran.

Dr. Korsh Jafarnia is the hand and upper extremity specialist at UT Physicians / Memorial Hermann IRONMAN Sports Medicine Institute (Memorial City and Texas Medical Center locations), 713.486.1700.