tone is functionally as resistance to passive movement. it is separated into postural tone and phasic tone. phasic tone is the result of rapid stretching of a tendon and the muscle spindle, however postural tone is the result of a steady, restrained strech on muscles. hypottonia is a decreased resistance to passive movement. the term floppy is frequently used to describe hypotonic children. in ...

purpose the purpose of this study was to estimate the dominant handgrip strength and its correlations with some hand and arm anthropometric variables in 101 randomly selected indian inter-university female volleyball players aged 18-25 years (mean age 20.52±1.40) from six indian universities. methods three anthropometric variables, i.e. height, weight, bmi, two hand anthropometric variables, vi...

A critical question in human evolution is whether the earliest bipeds walked with a bent-hip, bent-knee gait or on more extended hindlimbs. The differences between these gaits are not trivial, because the adoption of either has important implications for the evolution of bipedalism. In this study, we re-examined the Laetoli footprints to determine whether they can provide information on the loc...

Frogs are capable of impressive feats of jumping and swimming. Recent work has shown that anuran hind limb muscles can operate at lengths longer than the 'optimal length'. To address the implications of muscle operating length on muscle power output and swimming mechanics, we built a robotic frog hind limb model based upon Xenopus laevis. The model simulated the force-length and force-velocity ...