TY  - JOUR
PY  - 2016//
TI  - Force irregularity following maximal effort: the after-peak reduction
JO  - Perceptual and motor skills
A1  - Doucet, Barbara M.
A1  - Mettler, Joni A.
A1  - Griffin, Lisa
A1  - Spirduso, Waneen
SP  - 244
EP  - 257
VL  - 123
IS  - 1
N2  - Irregularities in force output are present throughout human movement and can impair task performance. We investigated the presence of a large force discontinuity (after-peak reduction, APR) that appeared immediately following peak in maximal effort ramp contractions performed with the thumb adductor and ankle dorsiflexor muscles in 25 young adult participants (76% males, 24% females; M age 24.4 years, SD = 7.1). The after-peak reduction displayed similar parameters in both muscle groups with comparable drops in force during the after-peak reduction minima (thumb adductor: 27.5 ± 7.5% maximal voluntary contraction; ankle dorsiflexor: 25.8 ± 6.2% maximal voluntary contraction). A trend for the presence of fewer after-peak reductions with successive ramp trials was observed, suggesting a learning effect. Further investigation should explore underlying neural mechanisms contributing to the after-peak reduction.<br><br>© The Author(s) 2016.<p />  <p>Language: en</p>
LA  - en
SN  - 0031-5125
UR  - http://dx.doi.org/10.1177/0031512516661274
ID  - ref1
ER  -