EFFECT OF 8-WEEK RESISTANCE TRAINING ON HYPERTROPHY, STRENGTH, & MYOSTATIN CONCENTRATION IN OLD AND YOUNG MEN

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NEGARESH RAOOF; RANJBAR ROOHOLLAH; MOMEN GHARIBVAND MOHAMMAD; HABIBI ABDOLHAMID; MOKHTARZADEH MOTAHAREH

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Journal: Salmand: Iranian Journal of Ageing Year:2017 | Volume:12 | Issue:1 Page(s): 56-58

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Title

EFFECT OF 8-WEEK RESISTANCE TRAINING ON HYPERTROPHY, STRENGTH, & MYOSTATIN CONCENTRATION IN OLD AND YOUNG MEN

Author(s)

Keywords

AGINGQ2

SARCOPENIAQ2

MYOSTATINQ1

HYPERTROPHYQ1

RESISTANCE TRAININGQ1

Abstract

Objectives: The decline in muscle mass and strength, which are associated with AGING, is called SARCOPENIA. RESISTANCE TRAINING is one of the effective methods to deal with SARCOPENIA. Correspondingly, this study aimed to investigate the effect of 8-week RESISTANCE TRAINING on muscle mass, strength, and MYOSTATIN concentration in old and young men.Methods & Materials: The present study included 14 old men (age range of 55 to 70 years) and 11 young ones (age range of 20 to 35 years) who were randomly chosen from the volunteers. They participated in a progressive RESISTANCE TRAINING (gradual increase in training load, 50% of one repetition maximum in the first week to 85% in the eighth week) for 8 weeks, 3 days a week. Daily calorie intake, strength, muscle mass, muscle cross-sectional area (by CT scan), and MYOSTATIN concentration were measured before and after the training.Results: The findings of the study indicated that after 8 weeks of training, muscle strength significantly increased in the old group in comparison with the young group (P<0.05); however, total muscle mass significantly increased in the young one (P<0.05). Daily calorie intake did not change in both groups (P>0.05). Quadriceps muscle mean (SD) cross-sectional area of the young group (pretest: 76.03 [12.21] cm2 compared to posttest: 79.16 [11.54] cm2) significantly increased (P<0.05) compared to that in the old group (pretest: 60.03 [10.57] cm2 compared to posttest: 61.93 [10.43] cm2). The MYOSTATIN mean (SD) concentration significantly decreased in both groups (P<0.05), but there was no difference between the groups (3.86 [1.89] ng/mL and 3.68 [1.66] ng/mL in elderly and young group, respectively; P>0.05). Also, there was a significant correlation between MYOSTATIN concentration with muscle mass in old men (r=0.73, P<0.05).Conclusion: RESISTANCE TRAINING was associated with a decline in MYOSTATIN level and increase in the muscle mass and cross-sectional area. Hence, the beneficial effect of RESISTANCE TRAINING may decrease agerelated muscle atrophy and affect elderly health.

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APA: Copy

NEGARESH, RAOOF, RANJBAR, ROOHOLLAH, MOMEN GHARIBVAND, MOHAMMAD, HABIBI, ABDOLHAMID, & MOKHTARZADEH, MOTAHAREH. (2017). EFFECT OF 8-WEEK RESISTANCE TRAINING ON HYPERTROPHY, STRENGTH, & MYOSTATIN CONCENTRATION IN OLD AND YOUNG MEN. IRANIAN JOURNAL OF AGEING, 12(1), 56-58. SID. https://sid.ir/paper/95138/en

Vancouver: Copy

NEGARESH RAOOF, RANJBAR ROOHOLLAH, MOMEN GHARIBVAND MOHAMMAD, HABIBI ABDOLHAMID, MOKHTARZADEH MOTAHAREH. EFFECT OF 8-WEEK RESISTANCE TRAINING ON HYPERTROPHY, STRENGTH, & MYOSTATIN CONCENTRATION IN OLD AND YOUNG MEN. IRANIAN JOURNAL OF AGEING[Internet]. 2017;12(1):56-58. Available from: https://sid.ir/paper/95138/en

IEEE: Copy

RAOOF NEGARESH, ROOHOLLAH RANJBAR, MOHAMMAD MOMEN GHARIBVAND, ABDOLHAMID HABIBI, and MOTAHAREH MOKHTARZADEH, “EFFECT OF 8-WEEK RESISTANCE TRAINING ON HYPERTROPHY, STRENGTH, & MYOSTATIN CONCENTRATION IN OLD AND YOUNG MEN,” IRANIAN JOURNAL OF AGEING, vol. 12, no. 1, pp. 56–58, 2017, [Online]. Available: https://sid.ir/paper/95138/en

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