Eighty-seven male inmates from a state prison and 70 inmates from a county jail volunteered as subjects. The subjects, age 20 to 35 yrs, were assigned randomly into a control or exercise group. Their Vo2max and treadmill performance values were determined before and after a 20 week jogging program. Training intensity was between 85 and 90 percent of maximum heart rate and involved workouts 3 days/week for 15, 30, or 45-min duration at the state prison and for 30-min 1, 3, or 5 days/week at the country jail. Cardiorespiratory fitness improved in direct proportion to frequency and duration of training. Injury, occurred in 22%, 24% and 54% of the 15, 30, and 45-min duration groups and in 0%, 12%, and 39% of the 1, 3, and 5-day/week groups, respectively. Attrition resulting from injury occurred in 0%, 0%, and 17% and in 0%, 4%, and 6% of the same respective groups. Attrition due to lack of interest was similar for all training groups (25%), but was significantly lower in the control groups (10%). Although the results showed a greater increase in cardiorespiratory fitness for the 45-min duration and 5-day/week groups, these programs are not recommened for beginning joggers because of the significantly greater percent of injuries.

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PubMed1976

Effects of different durations of physical training on cardiorespiratory function, body composition, and serum lipids.

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Adult↗

PubMedDate not supplied

[Some exceptional evolution of the abdominal pregnancy (author's transl)].

The authors have reported 5 exceptional cases of abdominal pregnancy observed at the clinic of obstetrics and gynecology of the university of Dakar. This pathology remains important and shows various clinical aspects in these counties presenting insufficient medical development. In a review of the literature the authors have studied the frequency and the etiopathogenic aspects of this "dystocical" pregnancies.

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