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Marie Carmen Valenza, Irene Cabrera-Martos, Irene Torres-Sánchez, Aurelio Garcés-García, Sara Mateos-Toset and Gerald Valenza-Demet


Taking into account the complex structure of the diaphragm and its important role in the postural chain, the authors were prompted to check the effects of a diaphragm technique on hamstring flexibility.


To evaluate the effects of the doming-of-the-diaphragm (DD) technique on hamstrings flexibility and spine mobility.


Randomized placebo-controlled trial.


University laboratory.


Sixty young adults with short-hamstring syndrome were included in this randomized clinical trial using a between-groups design.


The sample was randomly allocated to a placebo group (n = 30) or an intervention group (n = 30). Duration, position, and therapist were the same for both treatments.

Main Outcome Measures:

Hamstring flexibility was assessed using the forward-flexion-distance (FFD) and popliteal-angle test (PAT). Spinal motion was evaluated using the modified Schober test and cervical range of movement.


Twoway ANOVA afforded pre- to postintervention statistically significant differences (P < .001) in the intervention group compared with the placebo group for hamstring flexibility measured by the FFD (mean change 4.59 ± 5.66 intervention group vs 0.71 ± 2.41 placebo group) and the PAT (mean change intervention group 6.81 ± 8.52 vs placebo group 0.57 ± 4.41). Significant differences (P < .05) were also found in the modified Schober test (mean change intervention group –1.34 ± 3.95 vs placebo group 1.02 ± 3.05) and cervical range of movement. Significant between-groups differences (P < .05) were also found in all the variables measured.


The DD technique provides sustained improvement in hamstring flexibility and spine mobility.

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Irene Torres-Sánchez, Araceli Ortiz-Rubio, Irene Cabrera-Martos, María Granados-Santiago, Isabel López-Torres and Marie Carmen Valenza

Background: Growing evidence demonstrates the negative health impact of physical inactivity. Our aim was to examine the influence of previous-year physical activity (PA) on the cognition of chronic obstructive pulmonary disease (COPD) patients during exacerbation. Methods: Observational study. One hundred and fifty-one patients with COPD exacerbation were recruited over a period of 3 years and divided in 2 groups according to their previous activity level. Sociodemographic, anthropometric, and clinical variables were collected. Our main outcome measures were previous-year PA level, measured using the Modified Baecke Physical Activity Questionnaire and cognitive status measured using the Montreal Cognitive Assessment. Results: The cognitive variables that exhibited significant differences (P < .05) according to PA level were the visuoconstructional skills subscore, attention subscore, language subscore, orientation subscore, and Montreal Cognitive Assessment total score, with worse results in the sedentary group. Based on the relationships between total scores, the Baecke score was positively correlated with the Montreal Cognitive Assessment total score (r = .457). Conclusions: The cognitive status of COPD patients during an exacerbation is related to previous-year PA level. Previous-year PA level should be taken into consideration when patients with a COPD exacerbation are evaluated.