Effects of Training Utilizing Two Isotonic Weight Resisted Exercises on Modified Vertical Jump Performance PDF Download
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Author: Les B. Troczynski
Publisher:
ISBN:
Category : Exercise
Languages : en
Pages : 490
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Abstract: The effects of periodized isotonic strength training on subjects (N = 69) utilizing either the power clean exercise (PC), the parallel squat exercise (PS), or no isotonic strength training (NT), were examined on the maximal tested performance of a no upper body counter- movement modified vertical jump. Three test periods (TP1, TP2, TP3) were seperated by 7 and 5 weeks of training. Dependent variables included measures of force (PCVF), impulse (TCVI), angular velocity (PCAVHKA), and vertical displacement (PCVDCM), (LEPCM), (LEADHKA). PCAVHKA at the hip (p
Author: Les B. Troczynski
Publisher:
ISBN:
Category : Exercise
Languages : en
Pages : 490
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Book Description
Abstract: The effects of periodized isotonic strength training on subjects (N = 69) utilizing either the power clean exercise (PC), the parallel squat exercise (PS), or no isotonic strength training (NT), were examined on the maximal tested performance of a no upper body counter- movement modified vertical jump. Three test periods (TP1, TP2, TP3) were seperated by 7 and 5 weeks of training. Dependent variables included measures of force (PCVF), impulse (TCVI), angular velocity (PCAVHKA), and vertical displacement (PCVDCM), (LEPCM), (LEADHKA). PCAVHKA at the hip (p
Author: Roberto Wyatt Parker
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Author: J. Paul King
Publisher:
ISBN:
Category :
Languages : en
Pages : 120
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Author: Joseph James Mastrogiovanni
Publisher:
ISBN:
Category : Exercise
Languages : en
Pages : 64
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Author: Michael Rebold
Publisher:
ISBN:
Category : Jumping
Languages : en
Pages : 43
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Book Description
Purpose & Hypothesis: This research study was designed to examine the influence of an eight week, two sessions per week, training program incorporating use of the resistance training apparatus compared with a complex training program only on power. It was hypothesized that training with the resistance training apparatus would lead to greater improvements in the vertical jump compared with complex training. Participants: Twenty one, male and female participants, between the ages of 18-25, participated in a ten week study. Participants were eligible if they had no contraindications to exercise, were injury free, and within the past six months participated in regular plyometric and resistance training. Participants were instructed to continue their normal daily activities outside of the study. It was also advised that all participants maintain their current diet and that they refrain from using any performance enhancing supplements. All participants were informed about the experiment procedures and about the potential risks and benefits associated with the study, and signed an informed consent form, Physical Activity Readiness Questionnaire (Par-Q), and a Godin Leisure-Time Exercise Questionnaire (Godin, 1997) before participation. Participants were randomly assigned to a control group that did not participate in any exercises, an apparatus + exercise group, or an exercise group that performed the same exercises without the resistance training apparatus. Program Design:The design was an eight week plyometric and resistance training program. Pre- and Post-testing were completed during week one and ten, respectively. Total body power was measured by using the vertical jump test with countermovement arm swing. Velocity was also measured by using the 40-yard sprint. Weeks two through nine consisted of two workouts per week with both the apparatus + exercise and exercise groups intermixed. Sessions were divided into two groups, a morning and an evening Tuesday-Thursday group. Each group had approximately 48 hours in between workout sessions. Overall workout length was approximately 50 minutes, including a five minute warm-up, 40 minute plyometric and resistance training workout, and a five minute cool down. The warm-up consisted of two laps around a 200-meter track and static stretching of all the major muscle groups. Plyometric workouts consisted of four plyometric exercises including: depth jumps, box jumps, squat jumps, and calf jumps. The format for the sets being performed for the plyometric exercises were two weeks of each 12, 10, 8, and 6 repetitions. Resistance training workouts consisted of the parallel squat, hamstring curls, quadriceps extensions, and forward lunges. The format for the sets being performed for the resistance training exercises were two weeks of each 10, 8, 6 and 4 repetitions. The exercise group performed sets at 50%, 55%, 60%, 65%, 70%, 75%, 80%, and 85% in successive weeks (weeks 2-8). The apparatus + exercise group performed sets at 40%, 45%, 50%, 55%, 60%, 65%, 70% and 75% in successive weeks. The cool down followed the same protocol as the warm-up. Content of the workouts varied from week-to-week by using a variety of intensities and recovery times. Results: Statistical analysis was performed using a Repeated Measures ANOVA, assessing differences within groups and between groups over time. Results showed no significant difference from pre- to post-test in vertical jump (p = .03) and 40-yard sprint (p = .09). In the vertical jump from pre- to post-test the control group decreased by 3 inches, the apparatus + exercise group increased by 5 inches, and the exercise group increased by 1 inch. In the 40-yard sprint from pre- to post-test the control group decreased by 0.32 seconds, the apparatus + exercise group decreased by 0.09 seconds. And the exercise group decreased by 0.67 seconds. Summary: Duration may have not been long enough, flaws in the adjustment protocol, and the participants were already physically active prior to the start of the study. These aspects may have contributed to none of the results being significant from pre- to post-testing. Future research should focus on increasing the duration of the training period, examining the effect of variety of exercises to determine if different types of exercises may elicit different results, establishing an adjustment protocol, and replication of the study to observe training effects on males vs. females, trained athletes, and untrained individuals.
Author: Don W. Brubacher
Publisher:
ISBN:
Category : Jumping
Languages : en
Pages : 206
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Author: Roger E. Haun
Publisher:
ISBN:
Category : Physical education and training
Languages : en
Pages : 77
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Author: Ollie Whaley
Publisher:
ISBN:
Category : High school students
Languages : en
Pages : 98
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Author: Dale D. Wallin
Publisher:
ISBN:
Category : Jumping
Languages : en
Pages : 46
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Author: Thomas Donald Weede
Publisher:
ISBN:
Category : Exercise
Languages : en
Pages : 98
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