Poster 16: Effects of a Periodized Program for Strength Training on the Bone Mineral Density of Sedentary Elderly Persons With Osteoporosis

Abstract

Objective: To identify the adaptations that a high-intensity periodized program for strength training (HIPPST) could produce on the bone mineral density (BMD) of sedentary elderly persons with osteoporosis. Design: Single-group pre-post test. Setting: Room at the local sports center. Participants: Convenience sample of 10 male (age, 70.9±5.34y) volunteers with osteoporosis (broadband ultrasound attenuation [BUA], 69.1±11.29dB/mHz; T score, –2.44±0.62dB/mHz), without medication or medical contraindications. Intervention: For 24 weeks, 3 days a week. The HIPPST consisted of 3 strength circuits, all with a total of 10 multiple-joint exercises carried out at 7 on the OMNI perceived exertion scale for resistance exercise: (1) hypertrophy: 8 to 12 repetitions performed at moderate contraction velocity with 90-second rest periods; (2) power: 20 seconds at fast contraction velocity with 90-second rest periods; and (3) local muscular endurance: 45 seconds at slow contraction velocity and without rest periods. Main Outcome Measure: BMD was measured using a quantitative ultrasound scanner. Results: HIPPST improved BMD: BUA, 6.6±6 (P=.007); T score, 0.37±0.33 (P=.006). Conclusions: HIPPST is effective in increasing BMD, although a longer program than that followed in this study should be done to obtain certain normative values.