Comparison of Shoulder Joint Pain, Disability Index, Range of Motion, and Muscle Strength according to the Degree of Rotator Cuff Tear: A Cross-sectional Correlational Study

Min-Seo Jeon; Eun-Byeol Oh; Yong-Jun Cha

doi:10.13066/kspm.2026.21.1.107

February 28, 2026Journal of the Korean Society of Physical MedicineOpen Access

Comparison of Shoulder Joint Pain, Disability Index, Range of Motion, and Muscle Strength according to the Degree of Rotator Cuff Tear: A Cross-sectional Correlational Study

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Key Points

To investigate how the size of rotator cuff tears affects pain, range of motion, and muscle strength in patients.
Classified 48 patients into groups based on tear size: partial-thickness, full-thickness, and massive tears.
Assessed pain using the shoulder pain and disability index (SPADI).
Measured active range of motion and muscle strength in patients.
Pain levels increased with larger tear sizes, as indicated by SPADI scores.
Active range of motion decreased significantly in patients with massive tears compared to partial-thickness tears.
Muscle strength was weakest in the massive tear group compared to the other two groups.

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Implication

Cross-sectional study reveals relationships between rotator cuff tear size, mobility, and strength in patients, suggesting important clinical insights.

Abstract

PURPOSE: This study investigated the relationship between rotator cuff tear size and pain, range of motion (ROM), and muscle strength in patients diagnosed with rotator cuff tears.METHODS: Forty-eight patients were classified into three groups according to tear size: partial-thickness tear (PT group), full-thickness tear (FT group), and massive tear (MT group).Pain was assessed using the shoulder pain and disability index (SPADI), Active ROM (range of motion) was

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Jeon et al. (2026) studied this question.

synapsesocial.com/papers/69cf5e2e5a333a821460c5ad https://doi.org/10.13066/kspm.2026.21.1.107

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Comparison of Shoulder Joint Pain, Disability Index, Range of Motion, and Muscle Strength according to the Degree of Rotator Cuff Tear: A Cross-sectional Correlational Study

Key Points

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Implication

Abstract

Discussion

Cite This Study

Comparison of Shoulder Joint Pain, Disability Index, Range of Motion, and Muscle Strength according to the Degree of Rotator Cuff Tear: A Cross-sectional Correlational Study

Key Points

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Implication

Abstract

Discussion

Cite This Study

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