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Greg Haff

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Full-Text Articles in Medicine and Health Sciences

The Relationship Between Isometric Force-Time Curve Characteristics And Club Head Speed In Recreational Golfers, Brian K. Leary, Jason Statler, Brent Hopkins, Rachel Fitzwater, Tucker Kesling, Jacob Lyon, Brent Phillips, Randall Bryner, Prue Cormie, Guy Haff Mar 2014

The Relationship Between Isometric Force-Time Curve Characteristics And Club Head Speed In Recreational Golfers, Brian K. Leary, Jason Statler, Brent Hopkins, Rachel Fitzwater, Tucker Kesling, Jacob Lyon, Brent Phillips, Randall Bryner, Prue Cormie, Guy Haff

Greg Haff

The relationship between isometric force-time curve characteristics and club head speed in recreational golfers. J Strength Cond Res 26(10): 2685-2697, 2012-The primary purpose of the present investigation was to examine the relationships between club head speed, isometric midthigh pull performance, and vertical jump performance in a cohort of recreational golfers. Twelve recreational golfers (age, 20.4 ± 1.0 years; weight, 77.0 ± 9.8 kg; height, 177.8 ± 6.3 cm; body fat, 17.1 ± 7.6%; handicap, 14.5 ± 7.3; experience, 8.9 ± 3.6 years) completed 3 testing sessions: (a) familiarization session and body composition measurements; (b) measurement of forcetime curves in the …


The Acute Effects Of Moderately Loaded Concentric-Only Quarter Squats On Vertical Jump Performance, Aaron Crum, Naoki Kawamori, Michael Stone, Guy Haff Mar 2014

The Acute Effects Of Moderately Loaded Concentric-Only Quarter Squats On Vertical Jump Performance, Aaron Crum, Naoki Kawamori, Michael Stone, Guy Haff

Greg Haff

2012-Limited research exists examining the effect of moderately loaded conditioning activities that are employed as part of a strength-power potentiating complex (SPPC). Additionally, no studies to date have explored the effects of using a concentric-only quarter back squat protocol as part of an SPPC. Therefore, the purpose of this study was to examine the effects of a moderately loaded (50-65% of 1RM) concentric-only quarter back squat protocol on the occurrence of potentiation effects at various time points. Twenty men who could quarter back squat a minimum of 2.4 times their body mass (3.7 ±: 0.7 kg-per body mass) participated in …