DISPROPORTION MAY INDUCE A SUBACROMIAL EFFECT

Disproportion May Induce A Subacromial Effect

Motion irregularities between lower and upper trapezius muscle is affiliated with subacromial impingement.

Electromyography ( EMG) movement of lower and upper trapezius in sufferers with and without subacromial effects substantiates a disproportion of upper to lower trapezius.

A study has demonstrated that asymptomatic individuals had upper trap (UT) to lower (LT) proportion of 1.80, whereas symptomatic individuals had a ratio of 3.15. This concludes the upper trapezius is slightly 3 times more engaged than the lower trapezius during plane ascent in individuals with subacromial impingement. A study was performed on 16 impingement and 32 controlled subjects.

Clinical suggestions. This study implied several shoulder subjects have endeavored lower trapezius enhancement. Moreover, taping can readjust this disproportion thus upper trapezius movement was curtailed after readjustment (lower trapezius was uninterrupted). Taping does help to correct the asymmetry, however the following instructions are recommended:

  • Enhancing the lower trapezius is constructive for individuals with frail shoulders. Research and corroborate all shoulder workouts for the lower trapezius with a sports or orthopedic therapist
  • Learn workouts that compress the lower trapezius not the upper trapezius when lifting an arm. To avert receding the shoulder during a workout and unintentionally strengthening mostly the upper trapezius. Receding or pinching the shoulder blades should be a downward motion. Prevent from contracting the shoulders backwards and upwards
  • Try the upper-cross syndrome. Restraint of the lower trap is regularly related with constraining the deep neck flexors and compressing the levator scapulae, pectoralis muscles, and upper trapezius. Trying to rehabilitate one shortcoming will unmistakably perpetuate a degeneration of the already uneven trapezius

Share this post:

Recent Posts

Leave a Comment