Fundameantal movement skills in sports are ones such as jumping, kicking and catching.
The toughening phase develops foundational fitness and fundamental movement skills.
fundamental, specialised, locomotor, non-locomotor and maipulative
A fundamental movement skill would be throwing a ball, but a specialized movement skill would be considered throwing a baseball as a curve ball.
The purpose of the toughening phase is to develop foundational fitness and fundamental movement skills.
an action for fundamental movement
What means fundamental skills
The contemporary definition for "movement skills" is the ability and agility in body-movements used in sports and similar purposes. See the attached Related Link for some more detail.
Fundamental rhythm is the same as fundamental movement. Fundamental movement is what we do with our body without any hindrance e.g. Bending, jogging, marching etc.
Practice of fundamental skills.
and a period of time
Having the right skills to use in sports to be good at them.
(A) and a period of time.