"enter an activity" is correct and usable in written English.
You can use this phrase when discussing joining a particular activity or when instructing someone to join an activity. For example, "If you would like to participate, please enter an activity."
To satisfy the competitive spirit, there will be a chance for them to enter an arena-style activity that lets them spar against one another for honour and bragging rights... .. On that subject, Destiny players will, of course, get access to Bungie.net, the studio's community website.
It might be that being healthy and satisfied is a prerequisite for entering an organized activity and not its consequence [ 48].
In the absence of this thalamic input to cortex, which drives the desynchronized cortical state (Poulet et al., 2012), cortex and thalamus jointly enter an oscillation in which activity is periodically suppressed.
According to Wagner [12] when a stimulus is presented a representation of the stimulus increasingly enters a primary activity state (A1) before decaying into a secondary activity state (A2) where it remains before eventually returning to an inactive state (I, Fig. 8).
Instead of standing and reading braille on an immobile sign, a moving person will be able to receive a warning when entering a high activity area of the park as well as instructions for navigating the area safely.
As the Carnival season approaches, the clubs enter a period of feverish activity, designing and completing the construction of the elaborate costumes and astonishing head-dresses that the bands will wear for the parade.
But climbing itself has an extra trick up its sleeve: Climbers who totally lose themselves in the flow of the activity enter a mindset that can create a sense of euphoria and even block pain, according to Indiana University.
The Magic 8 Ball and the yo-yo, a translucent, emerald green Duncan Imperial — "The same kind I had as a kid," Debus said — were provided by Warthen, and would make sense to any relief pitcher who has been warmed up and told to sit down numerous times without entering a game, an activity that tends to infuriate them.
In the formula 2 there exists a simple rule: all activities which exit from a vertex can start after the end of all activities which enter a vertex.
So making a visit to the SW19 complex on a cold winter's day means entering a hive of activity, with engineers, gardeners, delivery men and other members of the 150-strong full-time staff buzzing about the 40-acre site.
In 1999, the volcano entered a period of activity with intermittent explosive phases and generation of PDCs.
