internal Exercise(
string name,
string description,
string instruction,
Complexity complexity,
Muscle muscle)
{
this.Validate(name, description, instruction);
this.ValidateMuscle(muscle);
this.Name = name;
this.Description = description;
this.Instruction = instruction;
this.Muscle = muscle;
this.Complexity = complexity;
}
public Exercise ChangeComplexity(Complexity complexity)
{
this.Complexity = complexity;
return(this);
}