Content » Vol 26, Issue 2

Original report

The hand in neck manoeuvre as a tool to analyze pain-generating mechanisms in the subacromial impingement syndrome

Solem-Bertoft E, Nordin M, Rahme H, Westerberg CE.
Department of Orthopaedic Surgery, Central Hospital, Västerås, Sweden
DOI: 10.2340/1650197719942625964

Abstract

A scoring system for a standardized composite movement of the shoulder--the Hand in Neck (HIN) manoeuvre--is presented. The EMG activity of the supraspinatus muscle was studied in 5 healthy subjects at different performance levels of this test. It is shown that the supraspinatus muscle is about four times more active during normal performance than at the subnormal levels, which among themselves do not differ. EMG activity was also studied during normal performance of another standardized manoeuvre--the Pour out of a Pot (POP) test. Based on a comparison of the EMG data with clinical data from patients with the subacromial impingement syndrome it is suggested that an abnormal HIN test indicates the presence of a traction responsive pain generator in the supraspinatus tendon. In the same patient group, the combination of a normal HIN test and an abnormal POP test indicates pain generated by compression of subacromial structures.

Lay Abstract

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