Finding out if an exercise is safe needs to determine the fitness level of the exercise and how much it takes to achieve the result of the exercise. The person performing the exercise needs to know their endurance level and if they are able to perform the exercise without injury or illness.
The hamstring, Bi-flexes, hip muscles, Abbs, thigh muscles. Please award Brainliest, if it weren't for it then i would be at expert, but i only need 3 more for Virsito.
Answer:
D expectation, relationship
