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Cheryl A. Travis and Michael L. Sachs

One of the largest groups of persons with disabilities is that of persons with mental retardation. More than 1,000,000 athletes with mental retardation, for example, participate in Special Olympics each year. Sport psychology can help with performance enhancement as well as enhancing the quality of the sport experience for persons with mental retardation. Additionally, participation in exercise and sport can result in increased benefits such as enhanced self-esteem, self-reliance, and willingness to take risks. The literature in this area is reviewed, and extensive suggestions on working with athletes with mental retardation are offered. Due to the cognitive limitations that are one characteristic of persons with mental retardation, the sport psychologist faces particular challenges in providing sport psychology services for this population. A case study is provided to illustrate some of the challenges and rewards in working with athletes with mental retardation.

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David Travis Thomas, Laurie Wideman and Cheryl A. Lovelady

Purpose:

To examine the effect of yogurt supplementation pre- and postexercise on changes in body composition in overweight women engaged in a resistance-training program.

Methods:

Participants (age = 36.8 ± 4.8 yr) with a body-mass index of 29.1±2.1 kg/m2 were randomized to yogurt supplement (YOG; n = 15) or isoenergetic sucrose beverage (CONT; n = 14) consumed before and after exercise for 16 wk. Participants were also instructed to reduce energy intake daily (–1,046 kJ) during the study. Body composition was assessed by dual-energy X-ray absorptiometry, waist circumference, and sagittal diameter. Strength was measured with 1-repetition maximum. Dietary recalls were obtained by a multipass approach using Nutrition Data System software. Insulin-like growth factor-1 and insulin-like growth-factor-binding protein-3 were measured with ELISA.

Results:

Significant weight losses of 2.6 ± 4.5 kg (YOG) and 1.2 ± 2.5 kg (CONT) were observed. Total lean weight increased significantly over time in both YOG (0.8 ± 1.2 kg) and CONT (1.1 ± 0.9 kg). Significant reductions in total fat (YOG = 3.4 ± 4.1 kg vs. CONT = 2.3 ± 2.4 kg) were observed over time. Waist circumference, sagittal diameter, and trunk fat decreased significantly over time without group differences. Both groups significantly decreased energy intake while maintaining protein intake. Strength significantly increased over time in both groups. No changes over time or between groups were observed in hormone levels.

Conclusions:

These data suggest that yogurt supplementation offered no added benefit for increasing lean mass when combined with resistance training and modest energy restriction.