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Questions and Answers
What percentage of one repetition maximum was used in the high-intensity bench press exercise training?
How many days per week did the participants perform the high-intensity bench press exercise training?
What was the duration of the detraining periods between training cycles in the PTR group?
After an initial 6 weeks of training, which of the following was similar between the two groups?
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What happened to the rate of increase in muscle CSA and 1-RM in the CTR group after the initial 6 weeks of training?
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What was the difference in muscle CSA and strength between the two groups during the second 3-week detraining/6-week retraining cycle?
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What was the overall outcome of the 24-week training program in terms of muscle hypertrophy?
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What was the duration of the training period for the CTR group?
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Study Notes
Comparison of Periodic Resistance Training (PTR) and Continuous Resistance Training (CTR)
- 14 young men were divided into two groups: CTR and PTR, to compare the effects of both training programs on muscle size and function.
- Both groups performed high-intensity bench press exercise training (75% of 1-RM, 3 sets of 10 reps) for 3 days per week.
Training Protocols
- CTR group trained continuously for 24 weeks.
- PTR group performed three cycles of 6-week training, with 3-week detraining periods between training cycles.
Initial 6 Weeks of Training
- Both groups showed similar increases in:
- Cross-sectional area (CSA) of triceps brachii and pectoralis major muscles.
- Maximum isometric voluntary contraction of the elbow extensors.
- 1-RM.
CTR Group Results
- Muscle CSA and strength gradually increased during the initial 6 weeks of training.
- Rate of increase in muscle CSA and 1-RM decreased gradually after the initial 6 weeks.
PTR Group Results
- Increase in muscle CSA and strength during the first 3-week detraining/6-week retraining cycle were similar to the CTR group during the corresponding period.
- Increase in muscle CSA and strength during the second 3-week detraining/6-week retraining cycle were significantly higher in the PTR group than in the CTR group.
Overall Results
- Overall improvements in muscle CSA and strength were similar between the CTR and PTR groups.
- 3-week detraining/6-week retraining cycles resulted in muscle hypertrophy similar to that occurring with continuous resistance training after 24 weeks.
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Description
This quiz explores the effects of periodic resistance training (PTR) and continuous resistance training (CTR) on muscle size and function in young men. Learn about the differences in training protocols and their outcomes.
