Answer:
muscle imbalance
Explanation:
If this was actually a true statement (whch it is not because football players are very well balanced), the focus on one or two muscle groups willl neglecting others will cause a muscle imbalance.
Flexibility has to do with stretching.
Most diseases can't be passed from person to person
Not having your germy hands on people's food.
Cognitive development is the first period of infant called Piaget. During the sensorimotor stage, the child task is to use their sense and skills to understand the thing around them and explore what the world has. Infants reach the stages of Piaget’s sensorimotor intelligence earlier than the Piaget prediction.