Effects of Weighted Seated Core Exercises on Immediate Postural Stability in Healthy Young Adults: An Exploratory Study

Low-load seated core exercises in 10 healthy young males did not improve immediate standing balance, and TrA thickness during stance increased with 1-kg and 2-kg loads.

• Why it matters: Early-stage rehabilitation needs safe, effective core exercise options, but it is unclear whether low-load seated training can produce immediate postural stability gains in healthy people.
• What they did: Participants completed seated alternating hip flexion (5 times per side) with bilateral shoulder flexion at 120-degree under four load conditions, then performed a 10-s single-leg stance while measuring TrA thickness and CoP sway.
• The result: Left-side TrA thickness during stance rose significantly under 1-kg and 2-kg loads versus baseline (p 0.05), and right-side TrA thickness correlated with higher CoP sway velocity (rho = 0.43, p = 0.002).

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