ENS 303 EXAM 5 UPDATED QUESTIONS AND CORRECT ANSWERS

ENS 303 EXAM 5 UPDATED QUESTIONS AND
CORRECT ANSWERS

Question:
1. Swayback posture differs from lordosis primarily in that:
Answer:
The pelvis shifts forward and the thoracic spine hyperextends

Question:
2. In forward head posture, which muscular imbalance is commonly observed?
Answer:
Tight cervical extensors and weak deep neck flexors

Question:
3. Which of the following factors would lead to higher mobility but reduced stability?
Answer:
High COG and small BOS

Question:
4. What is the net result of two or more forces acting on an object called?
Answer:
Resulting force

Question:
5. Which of the following is/are second-class levers in the human body?
Answer:
The calf muscles lifting the heel during plantar flexion Chewing food with the molars

Question:
6. The biceps brachii primarily acts as which class of lever during forearm flexion?
Answer:
Third class lever

Question:
7. What is the result of a "locked knee" posture?
Answer:
The pelvis tilts anteriorly and increases lumbar lordosis

Question:
8. Which statement best describes the function of the diaphragm in the myofascial core system?
Answer:
It contracts with intra-abdominal pressure to support spinal alignment

Question:
9. Gluteus medius (Trendelenburg) gait typically presents with which feature?

, Answer:
The pelvis drops on the swing side and trunk leans over stance leg

Question:
10. Which muscle group engages eccentrically during the foot flat phase to prevent the foor from slapping
the ground
Answer:
Dorsiflexors

Question:
11. You are riding in a car and the driver suddenly applies the brakes. You lurch forward before being
stopped by your seatbelt. Which principle of Newton's First Law best explains this phenomenon?
Answer:
Objects in motion stay in motion unless acted upon by an external force

Question:
12. Why does slouching often feel better than sitting in an upright posture?
Answer:
It's what the body is accustomed to

Question:
13. What is the correct definition of inertia?
Answer:
The resistance of an object in changes in motion or rest

Question:
14. A seesaw is an example of which class of lever
Answer:
First class

Question:
15. ___ studies forces like gravity, friction, and pressure that act on the body to generate or alter motion
Answer:
Kinetics

Question:
16. An object's resistance to change in its state of motion or rest is known as its ___
Answer:
Inertia

Question:
17. A ___ is a force with direction and magnitude
Answer:
Vector

Question:
18. The product of mass and velocity is ___