Strength, Speed and Endurance Changes During the Course of a Division I Basketball Season

Hoffman, Jay R.; Fry, Andrew C.; Howard, Robert; Maresh, Carl M.; Kraemer, William J.

doi:10.1519/00124278-199108000-00006

Cited by 25 publications

(30 citation statements)

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“…This is in agreement with Hoffman et al (58) who analyzed basketball competitions over a 4-year period and reported that aerobic capacity had a significant negative correlation to performance. This is further corroborated by authors who suggest that once an aerobic base is achieved, sport-specific team practices and games are sufficient to maintain aerobic fitness in anaerobicdominant sports (17, 56,57). Training programs therefore need to be directed toward high-intensity training such as interval and repetition training.…”

Section: Physiological Demands Of Muay Thaimentioning

confidence: 82%

Strength and Conditioning for Muay Thai Athletes

Turner

2009

Strength &Amp; Conditioning Journal

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Section: Physiological Demands Of Muay Thaimentioning

confidence: 82%

Strength and Conditioning for Muay Thai Athletes

Turner

2009

Strength &Amp; Conditioning Journal

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“…The subject then lifted the weight until his knees were extended. Previous studies have demonstrated good test-retest reliabilities (R > 0.97) for these strength measures [14,15]. …”

Section: Methodsmentioning

confidence: 99%

Efficacy of phosphatidic acid ingestion on lean body mass, muscle thickness and strength gains in resistance-trained men

Hoffman

Stout

Williams

et al. 2012

Journal of the International Society of Sports Nutrition

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BackgroundPhosphatidic acid (PA) has been reported to activate the mammalian target of rapamycin (mTOR) signaling pathway and is thought to enhance the anabolic effects of resistance training. The purpose of this pilot study was to examine if oral phosphatidic acid administration can enhance strength, muscle thickness and lean tissue accruement during an 8-week resistance training program.MethodsSixteen resistance-trained men were randomly assigned to a group that either consumed 750 mg of PA (n = 7, 23.1 ± 4.4 y; 176.7 ± 6.7 cm; 86.5 ± 21.2 kg) or a placebo (PL, n = 9, 22.5 ± 2.0 y; 179.8 ± 5.4 cm; 89.4 ± 13.6 kg) group. During each testing session subjects were assessed for strength (one repetition maximum [1-RM] bench press and squat) and body composition. Muscle thickness and pennation angle were also measured in the vastus lateralis of the subject’s dominant leg.ResultsSubjects ingesting PA demonstrated a 12.7% increase in squat strength and a 2.6% increase in LBM, while subjects consuming PL showed a 9.3% improvement in squat strength and a 0.1% change in LBM. Although parametric analysis was unable to demonstrate significant differences, magnitude based inferences indicated that the Δ change in 1-RM squat showed a likely benefit from PA on increasing lower body strength and a very likely benefit for increasing lean body mass (LBM).ConclusionsResults of this study suggest that a combination of a daily 750 mg PA ingestion, combined with a 4-day per week resistance training program for 8-weeks appears to have a likely benefit on strength improvement, and a very likely benefit on lean tissue accruement in young, resistance trained individuals.

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“…However, short-term strength training studies over 5 weeks, carried out with basketball players (51) and football players (52) demonstrated an insufficient duration in increasing the speed-strength ability of the long SSC.…”

Section: The Influence Of General Strength Training In Differentmentioning

confidence: 98%

Influence of Squatting Depth on Jumping Performance

Hartmann

Wirth

Klusemann

et al. 2012

Journal of Strength and Conditioning Research

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It is unclear if increases in 1 repetition maximum (1RM) in quarter squats result in higher gains compared with full depth squats in isometric force production and vertical jump performance. The aim of the research projects was to compare the effects of different squat variants on the development of 1RM and their transfer effects to Countermovement jump (CMJ) and squat jump (SJ) height, maximal voluntary contraction (MVC), and maximal rate of force development (MRFD). Twenty-three women and 36 men (mean age: 24.11 ± 2.88 years) were parallelized into 3 groups based on their CMJ height: deep front squats (FSQ, n = 20), deep back squats (BSQ, n = 20), and quarter back squats (BSQ¼, n = 19). In addition, a control group (C, n = 16) existed (mean age: 24.38 ± 0.50 years). Experimental groups trained 2 d·wk for 10 weeks with a strength-power block periodization, which produced significant (p ≤ 0.05) gains of the specific squat 1RM. The FSQ and BSQ attained significant (p ≤ 0.05) elevations in SJ and CMJ without any interaction effects between both groups (p ≥ 0.05). The BSQ¼ and C did not reveal any significant changes of SJ and CMJ. The FSQ and BSQ had significantly higher SJ scores over C (p ≤ 0.05). The BSQ did not feature any significant group difference to BSQ¼ (p = 0.116) in SJ, whereas FSQ showed a trend toward higher SJ heights over BSQ¼ (p = 0.052). The FSQ and BSQ presented significantly (p ≤ 0.05) higher CMJ heights over BSQ¼ and C. Posttest in MVC and MRFD demonstrated no significant changes for BSQ. Significant declines in MRFD for FSQ in the right leg (p ≤ 0.05) without any interaction effects for MVC and MRFD between both FSQ and BSQ were found. Training of BSQ¼ resulted in significantly (p ≤ 0.05) lower MRFD and MVC values in contrast to FSQ and BSQ. Quarter squat training elicited significant (p ≤ 0.05) transfer losses into the isometric maximal and explosive strength behavior. These findings therefore contest the concept of superior angle-specific transfer effects. Deep front and back squats guarantee performance-enhancing transfer effects of dynamic maximal strength to dynamic speed-strength capacity of hip and knee extensors compared with quarter squats.

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Strength, Speed and Endurance Changes During the Course of a Division I Basketball Season

Cited by 25 publications

References 0 publications

Strength and Conditioning for Muay Thai Athletes

Strength and Conditioning for Muay Thai Athletes

Efficacy of phosphatidic acid ingestion on lean body mass, muscle thickness and strength gains in resistance-trained men

Influence of Squatting Depth on Jumping Performance

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