Correlation between functional disability and shoulder ROM in patients with primary frozen shoulder

Shaimaa Ramadan Eldeab, Bassem Galal Eldein El Nahass, Mona Mohamed Ibrahim, Mohammed Ali Sarhan

Shaimaa Ramadan Eldeab, Bassem Galal Eldein El Nahass, Mona Mohamed Ibrahim, Mohammed Ali Sarhan – Correlation between functional disability and shoulder ROM in patients with primary frozen shoulder –  Fizjoterapia Polska 2025; 25(4); 198-204

DOI: https://doi.org/10.56984/8ZGA431542L

Abstract
Background. The Shoulder Pain and Disability Index (SPADI) is a common patient-reported outcome for frozen shoulder. However, the correlation between SPADI and objective range of motion (ROM), especially during the frozen stage, is not fully understood. Clarifying these relationships can enhance clinical assessment and rehabilitation.
Methods. This cross-sectional study investigated patients with frozen-stage frozen shoulder. Passive ROM (flexion, extension, abduction, external rotation [ER] at 0° and 45°, internal rotation [IR] at 45°) and SPADI total, pain, and function subscale scores were assessed. Pearson correlation coefficients determined the strength and significance of associations between SPADI and ROM.
Results. Significant moderate to strong negative correlations were found between higher SPADI total scores and reduced ROM: ER at 0° (r = −0.458, p = 0.002), IR at 45° (r = −0.507, p < 0.001), flexion (r = −0.567, p < 0.001), abduction (r = −0.380, p = 0.010), and extension (r = −0.298, p = 0.047). The SPADI function subscale showed similarly strong correlations across all ROM directions, notably ER at 45° (r = −0.572, p < 0.001). SPADI pain had weaker correlations, significant only with IR at 45° (r = −0.308, p = 0.040) and flexion (r = −0.459, p = 0.001). ER at 45° strongly correlated with ER at 0° (r = 0.852, p < 0.001), indicating its broader relevance.
Conclusions. The observed correlations generally support the construct validity of SPADI as a functional measure sensitive to physical limitations in patients with frozen shoulder.
Key words
frozen shoulder, SPADI, shoulder ROM
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The relationship between lumbar core stability, neck pain, functional disability, and forward head posture in patients with chronic nonspecific neck pain: a cross-sectional study

Hend Wageh, Bassem Galal Eldein El Nahass, Mona Mohamed Ibrahim

Hend Wageh, Bassem Galal Eldein El Nahass, Mona Mohamed Ibrahim – The relationship between lumbar core stability, neck pain, functional disability, and forward head posture in patients with chronic nonspecific neck pain: a cross-sectional study –  Fizjoterapia Polska 2025; 25(4); 179-186

DOI: https://doi.org/10.56984/8ZGA431DA1D

Abstract
Background. Posture depends on coordinated spinal interactions between musculoskeletal and neuromuscular mechanisms to produce optimal function. Although the cervical and lumbar are biomechanically connected, the relationship between spinal core stability, endurance and posture in neck pain remains unclear.
Purpose. To investigate the correlation between lumbar core endurance, neck pain and function, forward head posture, and cervical activation and endurance in chronic nonspecific neck pain patients (CNSNP).
Methods. Sixty-six participants with CNSNP were recruited for this cross-sectional study. Plank tests evaluated core endurance. Cervical pain and function were assessed by VAS and Neck Disability Index. Forward head posture was evaluated by craniovertebral angle (CVA) and cervical endurance was assessed by craniocervical flexion test and neck flexor endurance tests.
Results. Significant moderate positive correlations were found between left plank endurance and both neck flexor endurance and CVA (r = 0.441, p < 0.001, r = 0.290, p = 0.018, respectively). A weak positive significant correlation was observed between trunk extension endurance and CVA (r = 0.288, p = 0.019).
Conclusion. Lateral and posterior core endurance appears to be associated with cervical posture and muscle performance, supporting the concept of regional interdependence. Incorporating trunk stability exercises may enhance rehabilitation outcomes in patients with FHP and chronic neck pain.
Key words
chronic neck pain, core stability, forward head posture, craniovertebral angle, trunk endurance
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Efficacy of different doses of high intensity laser and traditional exercise on pain and function in chronic knee osteoarthritis

Dina Samy Abd-Alkareem Kassem, Bassem Galal Eldein El Nahass, Mona Mohamed Ibrahim

Dina Samy Abd-Alkareem Kassem, Bassem Galal Eldein El Nahass, Mona Mohamed Ibrahim – Efficacy of different doses of high intensity laser and traditional exercise on pain and function in chronic knee osteoarthritis –  Fizjoterapia Polska 2025; 25(4); 163-168

DOI: https://doi.org/10.56984/8ZGA431DVRB

Abstract
Introduction. High-intensity laser therapy (HILT) appears to be effective for knee osteoarthritis (KOA). However, no recommendations exist for the optimal dosage of HILT in chronic KOA.
Aim of the study. This study examined how different dosages of HILT affect KOA pain and function.
Materials and methods. Fifty-one patients with third-degree knee osteoarthritis, aged 50–70 years, were randomly assigned to three equal groups. Group A received exercises and a dose of 1500 J of HILT. Group B received exercises and a dose of 3000 J of HILT. Group C received sham laser treatment along with exercises. Pain and function were evaluated using the numerical pain rating scale (NPRS) and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Groups were evaluated before and after a six-week treatment period.
Results. A mixed design multivariate analysis of variance (MANOVA) showed that pain and function significantly improved in all three groups after treatment (p < 0.001). Significant differences were observed between both active groups (A and B) and the control group. Between groups A and B, no significant differences were found (p > 0.05). However, descriptive analysis revealed that group B achieved greater improvements than group A.
Conclusion. In patients with chronic KOA, HILT at either 1500 J or 3000 J combined with exercises effectively reduced pain and improved function. To save time and energy, a dosage of 1500 J may be recommended.
Key words
high intensity laser therapy, knee osteoarthritis, pain, function, high power laser
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