Specific inspiratory muscle warm-up enhances badminton footwork performance

Hua Lin, Tom K K Tong*, Chuanye Huang, Jinlei Nie, Kui Lu, Binh Quach

*Corresponding author for this work

    Research output: Contribution to journalJournal articlepeer-review

    34 Citations (Scopus)


    The effects of inspiratory muscle (IM) warm-up on IM function and on the maximum distance covered in a subsequent incremental badminton-footwork test (FWmax) were examined. Ten male badminton players were recruited to perform identical tests in three different trials in a random order. The control trial did not involve an IM warm-up, whereas the placebo and experimental trials did involve an IM warm-up consisting of two sets of 30-breath manoeuvres with an inspiratory pressure-threshold load equivalent to 15% (PLA) and 40% (IMW) maximum inspiratory mouth pressure, respectively. In the IMW trial, IM function was improved with 7.8% ± 4.0% and 6.9% ± 3.5% increases from control found in maximal inspiratory pressure at zero flow (P0) and maximal rate of P0 development (MRPD), respectively (p < 0.05). FWmax was enhanced 6.8% ± 3.7%, whereas the slope of the linear relationship of the increase in the rating of perceived breathlessness for every minute (RPB/min) was reduced (p < 0.05). Reduction in blood lactate ([La-]b) accumulation was observed when the test duration was identical to that of the control trial (P < 0.05). In the PLA trial, no parameter was changed from control. For the changes (Δ) in parameters in IMW (n = 10), negative correlations were found between ΔP0 and ΔRPB/min (r2 = 0.58), ΔMRPD and ΔRPB/min (r2 = 0.48), ΔRPB/min, and ΔFW max (r2 = 0.55), but not between Δ[La -]b accumulation and ΔFWmax. Such findings suggest that the IM-specific warm-up improved footwork performance in the subsequent maximum incremental badminton-footwork test. The improved footwork was partly attributable to the reduced breathless sensation resulting from the enhanced IM function, whereas the contribution of the concomitant reduction in [La-]b accumulation was relatively minor.

    Original languageEnglish
    Pages (from-to)1082-1088
    Number of pages7
    JournalApplied Physiology, Nutrition, and Metabolism
    Issue number6
    Publication statusPublished - Dec 2007

    Scopus Subject Areas

    • Endocrinology, Diabetes and Metabolism
    • Physiology
    • Nutrition and Dietetics
    • Physiology (medical)

    User-Defined Keywords

    • Badminton
    • Blood lactate
    • Breathlessness
    • Exercise performance
    • Inspiratory muscle function
    • Warm-up


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