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Original articles  SPORT PSYCHOLOGY

The Journal of Sports Medicine and Physical Fitness 2002 March;42(1):108-12

lingua: Inglese

State anxiety responses to acute resistance training and step aerobic exercise across eight weeks of training

Hale B. S., Raglin J. S.

From the Human Performance Laboratories Indiana University, Bloomington, Indiana, USA


Background. The pur­pose of ­this ­study was to con­trast ­state anx­ie­ty respons­es to ­acute aero­bic and resis­tance exer­cise ­across an 8-­week peri­od.
Methods. State anxiety (­STAI-Y1) was ­assessed imme­di­ate­ly ­prior to and 5 min­ fol­low­ing 50-min exer­cise ses­sions in 42 ­adults ­enrolled in intro­duc­to­ry lev­el resis­tance train­ing or ­step aero­bic exer­cise class­es. Participants ­were instruct­ed to main­tain an inten­sity ­between 70-80% of ­their own max­i­mum in ­both exer­cise con­di­tions. State anx­ie­ty was ­assessed at ­weeks one, ­four and ­eight of 16-­week cours­es.
Results. Repeated meas­ures ANO­VA ­revealed ­that ­state anx­ie­ty ­decreased (p<0.05) fol­low­ing ­both exer­cise con­di­tions (­step aero­bics: 36.65 to 33.03; resis­tance train­ing: 35.12 to 30.39). The mag­ni­tude of the reduc­tion did not dif­fer sig­nif­i­cant­ly ­between con­di­tions, nor did it ­change ­from ­week one to ­week ­eight. Participants ­were ­grouped ­into ­high and low base­line ­state anx­ie­ty ­groups to deter­mine the poten­tial influ­ence of base­line anx­ie­ty. Reductions (p<0.05) in ­state anx­ie­ty ­were ­observed for the ­high base­line ­groups (­step aero­bics: 49.7 to 40.4; resis­tance: 47.6 to 38.5), and fol­low­ing ­step aero­bic exer­cise for the low base­line ­group (29.9 to 26.8). However, ­state anx­ie­ty did not ­decrease (29.6 to 29.5) fol­low­ing resis­tance exer­cise in the low base­line ­group.
Conclusions. These ­results indi­cate ­state anx­ie­ty reduc­tions ­occur fol­low­ing 50-min of aero­bic exer­cise or ­weight train­ing, and respons­es ­were not ­altered ­across 8-­weeks of train­ing. Similar ­state anx­ie­ty reduc­tions ­were ­observed for ­each exer­cise ­mode in cas­es ­with ele­vat­ed base­line ­state anx­ie­ty val­ues, low base­line ­state anx­ie­ty lev­els ­were sig­nif­i­cant­ly ­reduced sole­ly in the ­step aero­bics con­di­tion.

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