Answer:
These be used to describe stretching exercises
Exercises:
Flexibility: 8 Stretches That Will Stretch Your Workout Routine
Seated trapezius stretch.
Shoulder stretch.
Triceps stretch.
Lower back.
Hip flexor stretch in three planes.
Hamstring stretch.
Quadriceps stretch.
Calf stretch.
For the explanation:
Stretching keeps the muscles flexible, strong, and healthy, and we need that flexibility to maintain a range of motion in the joints. Without it, the muscles shorten and become tight. Then, when you call on the muscles for activity, they are weak and unable to extend all the way.