Efectos de los ejercicios de Pilates sobre el volumen muscular en la ...

Alliance) were involved in the training program, and they followed the same structured protocol
(Table 2). The training program inc1uded standardized Studio Pilates exercises as described
elsewhere (1) and showed in supplementary digital content 1 to 4. The exercises were executed
on a mat and also using a Pilates machine called reformer (Balanced Body Reformer Equipment,
Balanced Body®). Footwork exercises using the Reformer were performed with two red and one
green springs. The other Reformer exercises were performed with two red springs.
Physical activity apart from Pilates was as ses sed using the Minnesota Leisure Time
Physical Activity Questionnaire (MLTPAQ) (12). The total, moderate and vigorous energy
expenditure was not significantly changed during the intervention (68.6±48.3 and 57.5±35.7
METs/h per week, P=O.38), before and after pilates training, respectively.
Paragraph N umber 6 Magnetic resonance imaging was used to determine the musc1e cross­
sectional areas (CSA) and musc1e volumes ofthe left and right RA, OT before and after training.
All participants were right-handed. In this artic1e the dominant side of the OT and RA
corresponds to the same side of the dominant arm, and vice versa.
Paragraph N umber 7 Body com position analysis. Total percentage of body fat was measured
using dual-energy X-ray absorptiometry (DXA) (QDR-1500, Hologic Corp., Software version
7.10, Waltham, MA). DXA equipment was calibrated using a lumbar spine phantom and
following the Hologic guidelines. Subjects were scanned in supine position and the scans were
performed in high resolution as previously reported (34). The coefficient ofvariation for the
assessment of whole body fat mass with repositioning was below 3.1 % (4).
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