The answer is B. Spine stretch
Spine stretch is an exercise to stretch your back bone, which mean your upper body, not the lower one.
NB :
Hip Flexor : To stretch your thigh
Calf stretch & Harmstring stretch : To stretch your lower legs
Answer:
True
Explanation:
Prototypes consist of average or features, or more so, generic features that can be recognized most people. The mental image that someone creates of average characteristics is utilized in order to see if other objects match it.