نوع مقاله : مقاله پژوهشی Released under CC BY-NC 4.0 license I Open Access I
نویسندگان
1 کارشناس ارشد فیزیولوژی ورزش، دانشکدة تربیت بدنی و علوم ورزشی، دانشگاه بوعلی سینا، همدان، ایران
2 دانشیار، عضو هیأت علمی دانشکدۀ تربیت بدنی و علوم ورزشی دانشگاه بوعلی سینا، همدان، ایران
چکیده
هدف این پژوهش، مقایسۀ اثر دو روش تمرین مقاومتی بر ضخامت عضلۀ سهسر بازو و ارتباط آن با قدرت حداکثر است. به این منظور 30 ورزشکار مبتدی پرورشاندام در این پژوهش شرکت داشتند. آزمودنی‌ها به‌صورت متجانس به سه گروه 10 نفری (تجربیI تمرینات هرمی، تجربیII هرمی مسطح و گروه کنترل) تقسیم شدند. دو گروه تجربی به مدت هشت هفته و هر هفته شش جلسه (روش اسپلیت) در پروتکلهای تمرین قدرتی شرکت کردند. گروه کنترل به روش سنتی به تمرینات خود ادامه دادند. قدرت عضلانی و ضخامت عضلۀ سهسر بازو هر سه گروه قبل و پس از دورۀ تمرینی اندازهگیری شد. داده‌ها توسط آزمون تی همبسته، برای تعیین اختلافات بین‌گروهی و تحلیل واریانس یکسویه (ANOVA) با سطح معناداری 05/0P≤، و برای تعیین رابطۀ بین متغیرها از ضریب همبستگی پیرسون استفاده شد. مشاهدات نشان داد، قطر قدامی- خلفی (AP)[1] عضلۀ سهسر بازویی در گروه، تجربیI و تجربیII به‌ترتیب 01/0 P< و 05/0 P< نسبت به گروه کنترل، افزایش یافت. همچنین، قدرت عضلۀ بازو در حرکت اکستنشن در گروه‌های تجربی نسبت به گروه کنترل به‌ترتیب 00/0 P< و 01/0 P<، افزایش یافت. اما، اختلاف معناداری بین دو گروه تجربی I وII در قدرت و اندازۀ عضلۀ سهسر بازویی دیده نشد.
[1] . Anteroposterior
کلیدواژه‌ها
عنوان مقاله [English]
The Comparison of the Effects of Two Types of Resistance Training on Triceps Brachial Thickness and its Connection with Maximum Strength in Novice Bodybuilders
نویسندگان [English]
- Salman Nezami 1
- Mohammad ali Samavati Sharif 2
- Asadolah Chezani sharahi 1
1 MSc Student, Exercise Physiology, University of Boali Sina.
چکیده [English]
The aim of this study was to compare the effects of two types of resistance training on triceps brachial thickness and its connection with maximum strength. The statistical sample included 30 novice bodybuilders who were divided into three groups (each group 10 subjects): experimental group I (pyramidal training), experimental group II (flat pyramidal training)and control group. Both experimental groups took part in protocols of strength training (split method) for eight weeks and six sessions every week. The subjects of control group had their traditional training. The muscle strength and the triceps brachial thickness in three groups were measured before and after the training period. Paired-sample t test and one-way ANOVA were used to determine intergroup differences (P≤0.05) and Pearson correlation coefficient was applied determine the relationships of variables. The observations showed that the anterior-posterior (AP) diameter of the triceps brachial in both experimental groups increased (P<0.01) and (P<0.05) respectively compared with the control group. Also, muscle strength in extension move in both experimental groups increased (P<0.00) and (P<0.04) respectively in comparison with the control group. But, no significant differences were observed between the two experimental groups (I and II) in strength and size of triceps brachial.
کلیدواژه‌ها [English]
- bodybuilding
- maximum strength
- muscle thickness
- Ultrasound
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