Timing and the control of rhythmic upper-limb movements.

@article{Shafir2010TimingAT,
  title={Timing and the control of rhythmic upper-limb movements.},
  author={Tal Shafir and Susan H. Brown},
  journal={Journal of motor behavior},
  year={2010},
  volume={42 1},
  pages={71-84}
}
Accurate timing of limb displacement is crucial for effective motor control. The authors examined the effects of movement velocity, duration, direction, added mass, and auditory cueing on timing, spatial, and trajectory variability of single- and multijoint rhythmic movements. During single-joint movements, increased velocity decreased timing and spatial variability, whereas increased movement duration increased timing variability but decreased spatial variability. For multijoint movements… CONTINUE READING