Health behaviour
Does sarcopenia go with rotator-cuff tendon trouble?
Open access · cc by · source: Europe PMC
In 112 older adults, sarcopenia tracked more shoulder pain, thicker supraspinatus tendons (β=0.447), and lower tendon-to-muscle echogenicity, but not more rotator-cuff tears.
How this study connects
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Study at a glance
- Design
- Cross-sectional — Community elders: quantitative shoulder ultrasound in 56 sarcopenic patients vs 56 sex- and age-matched controls, analysed with GEE
- N
- N=112 · 56 sarcopenic patients and 56 matched controls
- Population
- Community-dwelling older adults with vs without sarcopenia
- Outcome
- Shoulder pain, rotator-cuff tendon thickness/echotexture (ER_TM, ER_TT), and tendon tears
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Inspect source passages
Does sarcopenia go with rotator-cuff tendon trouble?
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
56 sarcopenic patients and 56 matched controls underwent ultrasound.
the overlying muscle (ER TM ) or subcutaneous tissue (ER TT ) were measured using high-resolution ultrasonography in 56 sarcopenic patients and 56 sex- and age- matched controls.
Sarcopenia associated with increased supraspinatus thickness (β=0.447, p<0.001).
sarcopenia was significantly associated with an increase in supraspinatus tendon thickness (β coefficient = 0.447, p < 0.001) and a decrease in the ER TM for the biceps long head and rotator cuff tendons.
Key findings
Sarcopenia associated with more shoulder pain, greater supraspinatus thickness (β=0.447, p<0.001), and lower ER_TM in biceps long head and cuff tendons. ER_TT in supraspinatus showed a negative trend (β=−0.097, p=0.070). Tear risk was not increased.
Methodology
Measured biceps and rotator-cuff tendon thickness and echogenicity ratios (vs muscle and subcutaneous tissue) with high-resolution ultrasound in 56 sarcopenic elders and 56 matched controls, then used GEE.
Limitations
Cross-sectional ultrasound cannot prove sarcopenia causes tendinopathy; authors call for prospective cohorts.
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