Force–Time Curve Characteristics of Dynamic and Isometric Muscle Actions of Elite Women Olympic Weightlifters

2005 ◽  
Vol 19 (4) ◽  
pp. 741 ◽  
Author(s):  
G. Gregory Haff ◽  
Jon M. Carlock ◽  
Michael J. Hartman ◽  
J. Lon Kilgore ◽  
Naoki Kawamori ◽  
...  
Keyword(s):  
Time Curve ◽  
Force Time ◽  
Muscle Actions ◽  
Isometric Muscle

FORCE--TIME CURVE CHARACTERISTICS OF DYNAMIC AND ISOMETRIC MUSCLE ACTIONS OF ELITE WOMEN OLYMPIC WEIGHTLIFTERS

2005 ◽  
Vol 19 (4) ◽  
pp. 741-748 ◽  
Author(s):  
G. GREGORY HAFF ◽  
JON M. CARLOCK ◽  
MICHAEL J. HARTMAN ◽  
J. LON KILGORE ◽  
NAOKI KAWAMORI ◽  
...  
Keyword(s):  
Time Curve ◽  
Force Time ◽  
Muscle Actions ◽  
Isometric Muscle

Force-Time Dependent Characteristics of Dynamic and Isometric Muscle Actions

1997 ◽  
Vol 11 (4) ◽  
pp. 269 ◽  
Author(s):  
G. Gregory Haff ◽  
Michael Stone ◽  
Harold S. O'Bryant ◽  
Everett Harman ◽  
Chris Dinan ◽  
...  
Keyword(s):  
Time Dependent ◽  
Force Time ◽  
Muscle Actions ◽  
Isometric Muscle

Relationship Between Force-Time and Velocity-Time Characteristics of Dynamic and Isometric Muscle Actions

2011 ◽  
Vol 25 (1) ◽  
pp. 198-204 ◽  
Author(s):  
Andy V Khamoui ◽  
Lee E Brown ◽  
Diamond Nguyen ◽  
Brandon P Uribe ◽  
Jared W Coburn ◽  
...  
Keyword(s):  
Force Time ◽  
Muscle Actions ◽  
Isometric Muscle

Force-Time Dependent Characteristics of Dynamic and Isometric Muscle Actions

1997 ◽  
Vol 11 (4) ◽  
pp. 269-272 ◽  
Author(s):  
G. Gregory Haff ◽  
Michael Stone ◽  
Harold S. OʼBryant ◽  
Everett Harman ◽  
Chris Dinan ◽  
...  
Keyword(s):  
Time Dependent ◽  
Force Time ◽  
Muscle Actions ◽  
Isometric Muscle

Effect of Proprioceptive Neuromuscular Facilitation on Force-Time Curve and Electromyogram Parameters in Competitive Aerobics Athletes

2010 ◽  
Vol 108-111 ◽  
pp. 369-371
Author(s):  
Li Qin Yao
Keyword(s):  
Muscular Strength ◽  
Rectus Femoris ◽  
Significant Decline ◽  
Bicycle Exercise ◽  
Time Curve ◽  
Excited Mode ◽  
Proprioceptive Neuromuscular Facilitation ◽  
Neural Inhibition ◽  
Force Time ◽  
Isometric Muscle

Objective: to investigate the effect of proprioceptive neuromuscular facilitation stretching on force-time curve and EMG Parameters in competitive aerobics athletes. Methods: we take 36 competitive aerobics athletes as participants, and they were tested after bicycle exercise and bicycle exercise/PNF stretching protocol,then the data were compared and analyzed.Conclusion: PNF stretching for lower extremity will not cause the maximum muscular strength and force - time curve parameters (MVC,F100,IRF,and TMVC) significantly decreased in competitive aerobics athletes, however,EMG voltage of rectus femoris has undergone a significant decline,which is showed that PNF stretch will cause change in excited mode,but force - time curve parameters will not be affected significantly.EMG showed that neural inhibition did not affect the maximum isometric muscle strength and characteristics of time - the power curve parameters, indicating PNF stretching can improve capability of muscle coordination.To take full advantage of PNF stretching exercises, changes of muscular strength and force - time curve parameters caused by PNF stretching should be studied in a more comprehensive, in-depth detail.

Using the Force-Time Curve to Detect Maximal Grip Strength Effort

2007 ◽  
Vol 20 (1) ◽  
pp. 37-48 ◽  
Author(s):  
Orit Shechtman ◽  
Bhagwant S. Sindhu ◽  
Paul W. Davenport
Keyword(s):  
Grip Strength ◽  
Time Curve ◽  
Force Time

The Relationship Between Isometric Force-Time Curve Characteristics and Club Head Speed in Recreational Golfers

2012 ◽  
Vol 26 (10) ◽  
pp. 2685-2697 ◽  
Author(s):  
Brian K. Leary ◽  
Jason Statler ◽  
Britton Hopkins ◽  
Rachael Fitzwater ◽  
Tucker Kesling ◽  
...  
Keyword(s):  
Isometric Force ◽  
Time Curve ◽  
Club Head ◽  
Force Time ◽  
The Relationship ◽  
Recreational Golfers

Control of Rapidly Executed Forces to a Target

1987 ◽  
Vol 65 (3) ◽  
pp. 827-836
Author(s):  
Donald Siegel
Keyword(s):  
Visual Feedback ◽  
Predictor Variable ◽  
Peak Force ◽  
Important Predictor ◽  
Force Amplitude ◽  
Time Curve ◽  
Time To Peak ◽  
Hand Grip ◽  
Rapid Responses ◽  
Force Time

The purpose of the present study was to determine whether initial measures of impulse (i.e., area under the force-time curve) could be used to predict peak force (PF) in hand grip responses of 5- and 10-kg amplitude executed as rapidly as possible. 12 subjects performed 75 practice and 25 test contractions in each condition, with and without visual feedback. The time to peak (PT) for the 5-kg responses was 41 msec., while the 10-kg condition averaged 56 msec. Analyses demonstrated no effect for visual feedback. Correlational analyses of cumulative impulse sections from 5 msec., to PF within conditions showed that early measures of force within a response were not very good predictors of final force amplitude. Indeed, for both conditions upwards of 85% of a reponse needed to have occurred before 50% of PF variance could be predicted. Analyses across conditions demonstrated that 50% of PF variance could be predicted between 15 and 20 msec. PT was also an important predictor variable. By using PT along with cumulative impulse 50% of the variance in PF could be predicted prior to 10 msec., at 5 kg (25% of PT) and at about 15 msec., for 10 kg (27% of PT). Across conditions, 85% of the variance in PF was predictable by 5 msec. Such results suggest that either more refined response indices are needed in predicting response outcome or that even for very rapid responses some lower level “tuning” probably occurs after initiation.

scholarly journals A Practical Guide to Analyzing the Force-Time Curve of Isometric Tasks in Excel

2019 ◽  
pp. 1 ◽  
Author(s):  
Shyam Chavda ◽  
Anthony N. Turner ◽  
Paul Comfort ◽  
Guy Gregory Haff ◽  
Steve Williams ◽  
...  
Keyword(s):  
Time Curve ◽  
Practical Guide ◽  
Force Time
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