Publications

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2020
Abdeldaiem, A. S., E. S. B. Saweeres, A. - E. A. - E. Shehab-Eldien, A. F. Mannion, and A. R. Youssef, "Cross-cultural adaptation and validation of the Arabic version of the Core Outcome Measures Index for the back (COMI-back) in patients with non-specific low back pain.", European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, vol. 29, issue 10, pp. 2413-2430, 2020. Abstract

PURPOSE: To cross-culturally adapt the Core Outcome Measures Index for the back (COMI-back) for the Arabic language and to test its reliability and validity in Egyptian patients with non-specific low back pain (LBP).

METHODS: COMI-back was translated and cross-culturally adapted into Arabic according to standard guidelines. Its construct validity was assessed in 85 patients with chronic LBP (mean (± SD) age, 41.1 (± 10.4) years and 65/85 (76.5%) female) who completed a booklet of questionnaires including the Arabic versions of COMI-back, Roland Morris disability questionnaire, Oswestry disability index, the short form health survey 36, and the visual analogue scale for back pain. Test-retest reliability was assessed in 52 participants who completed the booklet again within 7 days.

RESULTS: Floor effects (worst status; 1.2-10.6%) and ceiling effects (best status; 1.2-11.8%) for COMI-back were acceptable, except for symptom-specific well-being (18.8%, floor), leg pain (23.5%, ceiling), and work disability (31.8%, ceiling). The COMI item scores correlated with those of the reference questionnaires (ρ = 0.45-0.88) to the hypothesized extent, except for the COMI symptom-specific well-being (ρ = 0.16-0.17) and quality of life (ρ = 0.38). The intra-class correlation coefficient for the summary score was 0.90, whereas that of the individual items ranged from 0.71-0.92. The standard error of measurement and minimal detectable change for the summary score were 0.51 and 1.41 points, respectively. The predefined hypotheses for construct validity and reliability were largely confirmed.

CONCLUSION: The Arabic version of COMI-back represents a valid and reliable instrument for use in Arabic-speaking patients with non-specific LBP.

2016
Abu Taleb, W., A. R. Youssef, and amir saleh, "The effectiveness of manual versus algometer pressure release techniques for treating active myofascial trigger points of the upper trapezius.", Journal of bodywork and movement therapies, vol. 20, issue 4, pp. 863-869, 2016 Oct. Abstract

Manual pressure release (MPR) is a popular treatment of trigger points. Yet, treatment response may be influenced by inconsistent application of pressure. Further, it may contribute to increased risk of work-related musculoskeletal disorders of the wrist and hand in therapists. Therefore, this study aimed at introducing a novel method to apply pressure using the algometer and to compare its effectiveness to MPR. Forty-five volunteers with active trigger points of the upper trapezius received algometer pressure release (APR), MPR, or sham ultrasound (US). Pain pressure threshold (PPT) and contralateral active and passive neck side-bending ranges were assessed at baseline and immediately after a single session. Results showed no significant differences in post-treatment PPT between the study groups (p > 0.05). The APR group showed a significant increase in passive side-bending range compared with the two other groups, whereas active range improved in the APR compared with the US group (p < 0.05). Our results show that using algometer to apply pressure release to upper trapezius trigger points is more effective compared with manual release and sham US.

2015
Bakry, M. G., A. R. Youssef, and E. S. B. Saweeres, "Is Static Lower Limb Alignment a Risk Factor for Hamstring Injury In Soccer Players?", 16th EFFORT Congress, Prague, Czeck Republic, 2015.
2014
Youssef, A. R., W. F. Hafez, khaled ayad, and E. S. B. Saweeres, "Mobilization and taping in treatment of shoulder impingement syndrome", APTA CSM, Las Vegas, Nevada, USA, 2014.
Hafez, W. F., A. R. Youssef, khaled ayad, and E. S. B. Saweeres, "Mobilization with Movement Combined With Taping Restores Shoulder Function and Mobility in Shoulder Impingement Syndrome", 15th EFORT Congress, London, UK, 2014.
Bakry, M. G., A. R. Youssef, E. S. B. Saweeres, and A. A. Balbaa, "Photogrammetric Analysis (PA) In Assessing Lower Limb Static Alignment", 15th EFORT Congress, London, UK, 2014.
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