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Journal:   FEYZ   JUNE 2016 , Volume 20 , Number 2 ; Page(s) 108 To 117.
 
Paper: 

Impact Of A 12 Week Resistance And Concurrent Training On Bone Mechanical Strength And Mineral Density Of Osteoporotic Male Wistar Rats

 
 
Author(s):  Nazem F., Salehikia A.*, Marandi S.M., Shahdadi A.
 
* DEPARTMENT OF SPORT SCIENCES, FACULTY OF EDUCATION AND PSYCHOLOGY, UNIVERSITY OF SISTAN AND BALUCHESTAN, ZAHEDAN, I.R. IRAN
 
Abstract: 
Background: This study evaluated the efficacy of concurrent training compared to resistance training on femoral bone mineral density (BMD) and mechanical strength of osteoporotic male rats.Materials and Methods: Eight out of 40 male Wistar rats were separated as healthy subjects. Then osteoporosis was induced in the remaining rats by the injection of ethanol (20%, i.p) for 3 weeks. Osteoporotic rats divided into 4 groups: Baseline, Resistance training, Concurrent training and Control. The resistance training protocol consisted of 8 series of climbs on a 110-cm vertical ladder angled at 80° with weights tied to the animal tail. The overload for first and eighth series was set at 50% and 100% of the total body mass of the animal, respectively. Concurrent group completed a combination of both resistance and endurance treadmill trainings (60 min/day, speed: 12 m/min). The left excised femur of the animals were scanned for BMD measurement and examined by three point bending test to obtain the maximum force and stiffness.Result: Two Resistance training and Concurrent training groups had significantly increased maximum force, stiffness and BMD compared to Control group (P=0.019). Compared to resistance group, the Concurrent group showed a positive effect on bone mechanical strength (P=0.039) with no significance difference in BMD (P=0.890).Conclusion: The results of this study shows that the combination of resistance and endurance exercise may have a synergistic effect on increasing the mechanical strength of osteoporotic femoral bone in male rats compared to resistance training alone.
 
Keyword(s): BONE DENSITY, MECHANICAL PROPERTIES, OSTEOPOROSIS, RESISTANCE TRAINING, CONCURRENT TRAINING, ANIMAL MODEL
 
 
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APA: Copy

NAZEM, F., & SALEHIKIA, A., & MARANDI, S., & SHAHDADI, A. (2016). IMPACT OF A 12 WEEK RESISTANCE AND CONCURRENT TRAINING ON BONE MECHANICAL STRENGTH AND MINERAL DENSITY OF OSTEOPOROTIC MALE WISTAR RATS. FEYZ, 20(2 ), 108-117. https://www.sid.ir/en/journal/ViewPaper.aspx?id=568771



Vancouver: Copy

NAZEM F., SALEHIKIA A., MARANDI S.M., SHAHDADI A.. IMPACT OF A 12 WEEK RESISTANCE AND CONCURRENT TRAINING ON BONE MECHANICAL STRENGTH AND MINERAL DENSITY OF OSTEOPOROTIC MALE WISTAR RATS. FEYZ. 2016 [cited 2022August11];20(2 ):108-117. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=568771



IEEE: Copy

NAZEM, F., SALEHIKIA, A., MARANDI, S., SHAHDADI, A., 2016. IMPACT OF A 12 WEEK RESISTANCE AND CONCURRENT TRAINING ON BONE MECHANICAL STRENGTH AND MINERAL DENSITY OF OSTEOPOROTIC MALE WISTAR RATS. FEYZ, [online] 20(2 ), pp.108-117. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=568771.



 
 
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