Lesson 11.1 Vocabulary

Question 1

force

Answer 1

in physical activity, energy exerted by the muscles to cause movement or resist movement; other uses include military force (ships and troops), violent force (a physical attack), or resistance force (stopping a moving body or object)

Question 2

kyphosis

Answer 2

posture problem characterized by rounded back and shoulders

Question 3

laws of motion

Answer 3

rules of physics that help us understand human movements

Question 4

lordosis

Answer 4

posture problem characterized by too much arch in the lower back; also called swayback

Question 5

Pilates

Answer 5

form of training, quite popular in recent years, designed to build core muscle fitness; named for Joseph Pilates, who described core exercises and developed special exercise machines for building core muscles

Question 6

ptosis

Answer 6

posture problem characterized by protruding abdomen