Precise resistance training in osteosarcopenia: 32-week trial plus molecular study
In an abstract, 98 older patients with primary osteoporosis and muscle atrophy were randomized to precise resistance training or a control group for 32 weeks; the abstract reports musculoskeletal improvements and links them to a GLP-1/myostatin axis, with molecular and in-vitro work. [1]
Automatic summary · not editorially reviewed
The key findings
98 elderly patients with primary osteoporosis and muscle atrophy were randomized into an intervention group (n = 49) and a control group (n = 49) for a 32-week study. [1]
The abstract reports that resistance training raised endogenous GLP-1 secretion by 46.9%, significantly correlated with a 41.7% fall in MSTN expression. [1]
In-vitro experiments indicated that MSTN mature peptides inhibit muscle regeneration via a G2/M phase blockade in myoblasts, which GLP-1 mediated signalling can alleviate. [1]
The source at a glance
- Study type / format
- 32-week randomized controlled trial with molecular mechanism and in-vitro experiments (abstract).
- Population / context
- 98 elderly patients with primary osteoporosis complicated by muscle atrophy.
- Summary based on
- Study abstract
- Original publication
- September 17, 2026
98 older osteoporosis patients randomized for 32 weeks
The abstract describes 98 elderly patients with primary osteoporosis complicated by muscle atrophy. They were randomly divided into an intervention group (n = 49) and a control group (n = 49). The intervention was resistance training based on precise mechanical load monitoring, and the study period was 32 weeks. The abstract does not state what the control group received, nor does it report baseline characteristics, dropout or adherence.
Supporting source [1]
GLP-1 rise linked to myostatin fall after training
According to the abstract, molecular-level studies confirmed that the increase in endogenous GLP-1 secretion induced by resistance training (+46.9%) was significantly correlated with downregulation of MSTN expression (-41.7%). A correlation is not proof that one change causes the other. The abstract also reports that in-vitro experiments showed MSTN mature peptides inhibit muscle regeneration by inducing a G2/M phase blockade in myoblasts, and that GLP-1 mediated signalling can alleviate this blockade. These are laboratory findings, not demonstrated human lifespan or clinical benefits.
Supporting source [1]
Abstract reports musculoskeletal gains but omits outcome details
The conclusion states that precise resistance training synergistically improved the musculoskeletal structure and function of elderly patients through the GLP-1/MSTN axis. The abstract does not give the measured bone or muscle outcomes, effect sizes, between-group comparisons or adverse events. It also does not say whether the molecular and in-vitro work used samples from these participants. Because only the abstract was available, the full text was not reviewed, and the reported associations should not be read as proven causes.
Supporting source [1]
How to interpret this
Abstract only; the full text was not reviewed. The abstract omits control-group details, measured outcomes, effect sizes, adverse events and whether molecular samples came from participants. Correlations and in-vitro results do not establish causes or human clinical benefit.
Based on the study abstract; the full paper, tables and supplementary data were not reviewed.
Source & supporting passages
Sun L, Zhao P, Fan X, Puig-Ribera A, Sole-Casals J. · europepmc.org · September 17, 2026