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A Journal on Physical Medicine and Rehabilitation after Pathological Events

Official Journal of the Italian Society of Physical and Rehabilitation Medicine (SIMFER), European Society of Physical and Rehabilitation Medicine (ESPRM), European Union of Medical Specialists - Physical and Rehabilitation Medicine Section (UEMS-PRM), Mediterranean Forum of Physical and Rehabilitation Medicine (MFPRM), Hellenic Society of Physical and Rehabilitation Medicine (EEFIAP)
In association with International Society of Physical and Rehabilitation Medicine (ISPRM)
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Europa Medicophysica 1999 June;35(2):83-92

language: English

S-EMG of the Hip: ROM pro­to­col. A ­study of con­sis­ten­cy and repe­atabil­ity/reli­abil­ity of electri­cal activ­ity of 18 mus­cles

Sella G. E.

Valley Disability Institute, Martins Ferry, Ohio


BACKGROUND: This ­study test­ed the hypoth­e­sis ­that the S-EMG of the hip ROM is a meth­o­dol­o­gy ­which ­allows for ­good inter­nal con­sis­ten­cy of ­results as ­well as ­good repeat­abil­ity and reli­abil­ity of test­ing.
METHODS: The inves­ti­ga­tion was a method­o­log­i­cal ­study of an S-EMG pro­to­col of the hip ROM. The dura­tion of ­each ­test was ­approx ­half an ­hour. Each ­test was repeat­ed 3 ­times with­in an 8 ­hour day. Setting: the ­study was con­duct­ed in a pri­vate ­physician’s ­office. Participants: the ­study was con­duct­ed ­with 5 ­adult vol­un­teers par­tic­i­pants. None had ­acute myo­fas­cial or oth­er mus­cu­lar dys­func­tions, how­ev­er 4/5 had clin­i­cal his­to­ries of mus­cu­lar dys­func­tion. Interventions: the test­ing was not inva­sive. It did not ­involve any unusu­al move­ments ­such as may ­have ­fatigued the bod­ies of the par­tic­i­pants. Measures: the sta­tis­ti­cal out­comes ­were the fol­low­ing: gath­er­ing of aver­age (X), stan­dard devi­a­tion (SD) and co-effi­cients of vari­a­tion (CV) of 5 rep­e­ti­tions of activ­ity or rest­ing poten­tials gath­ered for ­each seg­ment of hip ROM test­ed. These sta­tis­tics ­were aver­aged ­over 18 mus­cles and 14 seg­ments of ROM for the 3 ­trials of ­each ­test. The over­all sta­tis­tics ­were nor­mal­ized in ­terms of activ­ity/ ­rest ­ratio (A/R) and in ­terms of per­cent­age of dis­per­sion ­from aver­age val­ues ­over the 3 ­trials of the test­ing.
RESULTS: The over­all ­results indi­cat­ed ­that the S-EMG of the hip ROM pro­to­col con­duct­ed ­over 3 ­trials and 3 per­sons ­showed a ­very ­high ­degree of inter­nal con­sis­ten­cy (CV>93%) and a ­high ­degree of repeat­abil­ity/reli­abil­ity of all the ­results ­over the 18 mus­cles and 3 ­trials (1% 1%).
CONCLUSIONS: In con­clu­sion, the S-EMG/ hip ROM pro­to­col test­ed ­shows ­that S-EMG meth­o­dol­o­gy has a ­very ­high ­degree of inter­nal con­sis­ten­cy and repeat­abil­ity/ reli­abil­ity in the con­di­tions inves­ti­gat­ed.

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