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Dynamic Chiropractic – October 7, 2010, Vol. 28, Issue 21
Dynamic Chiropractic
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Dynamic Chiropractic

Treating an Anterior Humeral Head

By Warren Hammer, MS, DC, DABCO

Practitioners in the joint world often speak of "bone out of place" or "positional faults."1 Chiropractors in particular have experienced significant results when using joint-play techniques to treat these types of joint lesions.

Mulligan has a technique for the shoulder that, in my experience, is very effective in relieving shoulder pain. Coupling this technique with information in the literature as to why it may be effective lends much credibility to the method.

According to McKenna, et al.,2 anterior position of the humeral head in relation to the acromion may compromise the subacromial space because the humerus is in greater proximity to anterior structures in elevation. These authors proposed a palpation method of evaluating the anteriority of the humeral head in relation to the acromion. Harryman, et al.,3 mention the anterior and superior migration of the humeral head during flexion affecting the subacromial structures. Hsu, et al.,4 found that using an anterior to posterior glide technique during shoulder abduction improved glenohumeral abduction ROM, especially at the end range of abduction, more than when performed at the middle of the range of abduction. Ludewig and Cook5 state that motions which bring the greater tuberosity in closer contact with the coracoacromial arch - such as anterior translations of the humeral head on the glenoid fossa occurring during humeral elevation - can be related to shoulder impingement.

The Mulligan mobilization-with-movement technique is especially useful when a shoulder is painful when raised above 90 degrees abduction.1 The practitioner stands on the opposite side of the painful shoulder with one hand on the scapula and the thenar eminence of the other hand over the head of the humerus, avoiding the coracoid  process. The patient is told to raise their arm in the scapular plane (30 degrees anterior to the coronal plane) as the practitioner maintains a posterolateral sustained glide.

Mulligan asks: "Is it a positional fault that inhibits pain free movement?"1 If the contacts are accurate, there will be no pain as the patient abducts the arm. A load can be added provided it does not increase the pain. (See Figures A and B.)6 He recommends that the patient "punch" the arm up for three sets of 10 and always emphasizes that there should be no pain during the treatment.

Initial position - Copyright – Stock Photo / Register Mark
Fig A: Mobilization w/ movement: Initial position.
 
scapular plane - Copyright – Stock Photo / Register Mark
Fig B: Patient abducts shoulder in scapular plane.

References

  1. Mulligan B. Manual Therapy "NAGS," "SNAGS," "MWMS," etc. Plane View Services Ltd., 2004.
  2. McKenna L, Straker L, Smith A. The validity and intra-tester reliability of a clinical measure of humeral head position. Manual Therapy, 2009;14(4):397-403.
  3. Harryman DT, Sidles JA, Clark JM, et al., The Humeral Head Translates on the Glenoid With Passive Motion. In: Hawkins R, Morrey B, Post M, editors. Surgery of the Shoulder. St Louis: Mosby, 1990:186-9.
  4. Hsu AT, Ho L, Ho S, Hedman T. Joint position during anterior-posterior glide mobilization: its effect on glenohumeral abduction range of motion. Arch Phys Med Rehabil, 2000 Feb;81(2):210-4.
  5. Ludewig PM, Cook TA. Alterations in shoulder kinematics and associated muscle activity in people with symptoms of shoulder impingement. Physical Therapy, 2000;80:276-91.
  6. Hammer W. Functional Soft Tissue Examination & Treatment by Manual Methods, 3rd Edition. Sudbury, MA: Jones & Bartlett 2007.

Click here for more information about Warren Hammer, MS, DC, DABCO.

Dynamic Chiropractic

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