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The Effect of Low Volume High Intensity Interval Training on Sarcolemmal Content of Fatty Acid Transport Proteins (FAT/CD36 and FABPpm) in Young Men
Mr Aidin Zarifi, Dr Hamid Rajabi, Dr Sadegh Hasan Nia, Dr Mohamadreza Dehkhoda, Dr Babak Mirsoltani,
Volume 13, Issue 10 (10-2015)
Abstract

High-intensity interval training (HIT) induces skeletal muscle metabolic and performance adaptations that
resemble traditional endurance training despite a low total exercise volume. On the other hand, fatty acid
oxidation is increases in skeletal muscle with endurance training. This process is regulated in several sites,
including the transport of fatty acids across the plasma membrane. The transportation across this membrane is
recognized to be primarily protein mediated. Therefore, the purpose of this study was to determine the effect of
low-volume high intensity interval training on protein content of sarcolemmal fatty acids transporters (FAT/CD36
and FABPpm) in young men. Twenty recreationally active young men were assigned to a HIT (n=10, 19.3 yr old,
67.2 kg body wt, and 172.7 cm ht) or Control (n=10, 19.7 yr old, 65.9 kg body wt, and 174.4 cm ht) group. HIT
group performed three training sessions per week over 4 weeks. Each session consisted of 8-11×60 s intervals
at ∼100% of peak power output elicited during a ramp VO2peak test separated by 75 s of recovery. Skeletal
muscle (vastus lateralis) biopsy samples were obtained before and after training. HIT increased (17.5%)VO2peak (p<0.05). Also, after 4 weeks low-volume HIT, sarcolemmal content of CD36 and FABPpm increased
14 and 25 percent ,respectively (p<0.05). Therefore, the results showed that the practical model of low-volume
HIT could increase aerobic capacity and sarcolemmal content of CD36 and FABPpm. The increase indicates
that the facilitation of in muscle fatty acid transportation can be adapted which in turn increases the fat oxidation
capacity.


Acute effects of plyometric training with changing of height landing on the electromyographic activity during preparatory phase land-jump
Mehdi Soltani Ichi, Pezhman Motamedi, Hamid Rajabi,
Volume 17, Issue 17 (4-2019)
Abstract
The purpose of this research was to determine the acute effects of plyometric training with changing of height landing on the electromyographic activity during preparatory phase land-jump in male students. The population of this research were 10 physical education male students of Kharazmi University, which selected as sample. (21/10±1/286yrs, 173±6/467 height, 68/2±7/42 weight). In four different days subjects Performed as single leg one of four protocols plyometric training and land - jump from a height of 40 and 60 cm. EMG activity of the quadriceps and hamstring muscle group 150 milliseconds before foot contact with the ground was recorded. Analysis of variance with repeated measures and Bonferroni post hoc test was used. The results of this study showed that muscle activity after changing of height landing in preparatory phase (from 40 to 60 cm) has increased significantly (P=0/002, P=0/001, P=0/001) respectively. Activity of muscles (rectus femoris, vastus lateralis, biceps femoris) during landing after performing plyometric and changing of height landing in preparatory phase has increased significantly (P=0/039, P=0/001) (P=0/006, P=0/000) (P=0/001, P=0/014) respectively. Jump height has increased significantly (P=0/007, P=0/002) respectively. The results showed that acute perform plyometric training with changing of height landing result in significant changes in the electrical activity of muscles and also the height of the jump in the preparatory phase.

Effect of 12-Weeks Elastic-Band Resistance Training on Functional and Obesity Indices in Osteosarcopenic Obese Elderly Women
Ebrahim Banitalebi, Mohammad Faramarzi, Farideh Savari Niko, Neda Soltani, Majid Mardaniyan Ghahfarrokhi,
Volume 18, Issue 20 (11-2020)
Abstract
Osteosarcopenic obesity is the result of processes that lead to muscle and bone breakdown and increased fat tissue. The purpose of this study was to investigate the effect of 12 weeks elastic band resistance training on functional indicators and Osteosarcopenic obesity index in women with Osteosarcopenic obesity. In this single blind randomized clinical trial, 49 elderly women with age 64.13 ± 3.6yrs, fat percentage 45.4 ± 6.56 %, T score of the minerals of the were -1.86 ± 1.42 were divided into two groups: control (n=22) and training (n = 27). The training group performed elastic band resistance training for 12 weeks. significant increases in short-term physical function (SBBP) (P = 0.024) and Z score of Osteosarcopenic obesity (P = 0.041), in the training group compared to the control group, and non-significant difference in muscle quality (MQ) (P = 0.200), fracture risk (FRAX) (P = 0.259), between exercise and control group. 12 weeks of elastic band resistance training seems to improve in short physical performance battery and Z score of Osteosarcopenic obesity ­ in elderly women with Osteosarcopenic obesity, but, probably a longer period of training is needed to further influence the other osteosarcopenic obesity index.

The Effect of Aerobic Exercise and Quercetin Supplementation on Myostatin and Follistatin Levels in the Heart Tissue of Rats with Type 2 Diabetes
Mohsen Soltani, Ali Barzegari, Saeed Naghibi, Mohammad Hassaan Dashty Khavidaki,
Volume 21, Issue 26 (12-2023)
Abstract
This study aimed to investigate the effect of quercetin supplementation and training on myostatin and follistatin levels in the heart tissue of diabetic rats. Methods: For this purpose, 50 10-week-old male Wistar rats with an average weight of 237±33 grams were randomly divided into five groups of 10 including: healthy control, diabetes, diabetes+supplement, diabetes+exercise, and diabetes+supplement+exercise. . The training protocol includes five sessions per week for eight weeks on a treadmill without a special slope. The rodents ran for 60 minutes at a speed of 25 meters per minute in each session.and the supplement groups received 50 mg/kg quercetin daily by gavage. The results showed that the difference in myostatin levels among the groups is significant (P=0.001). There was a significant decrease in myostatin levels between exercise+supplement+diabetes group with diabetes (P=0.002). There was also a significant difference between the supplement+diabetes and exercise+diabetes groups (P=0.009). Also, the results showed that the difference in follistatin levels among the groups is significant (P=0.001). The results showed that follistatin levels in the heart tissue increased significantly between the groups of diabetes, exercise+diabetes, supplement+diabetes and exercise+supplements+diabetes with the control group (respectively: P=0.005; P=0.001; P=0.001; P = 0.001).
It seems that moderate intensity aerobic exercise and quercetin supplementation have a positive and beneficial effect on the levels of myostatin and folstatin.

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