7.10 Knowledge Check
Knowledge Check
Text Description
1. What is the best definition of biomechanics as it relates to human movement?
- The study of movement in living things, especially how forces affect movement
- The study of chemical processes within living things.
- The measurement of athletic performance
- The study of life sciences in the body
2. Which of the following is an example of an external force acting on the body?
- Muscle contraction
- Ligament tension
- Gravity pulling a phone to the ground
- Joint rotation
3. According to Newton’s First Law of Motion, an object in motion will remain in motion unless:
- It gains more speed
- Its internal energy increases
- Its mass is reduced
- A net external force acts upon it
4. What type of lever is used when the biceps brachii lifts the forearm at the elbow joint?
- Third-class lever
- First-class lever
- Fourth-class lever
- Second-class lever
5. Which biomechanical factor(s) contribute to body stability?
- Low mass
- COM within BOS
- Large ROM
- Low mass and COM within BOS
6. During the upward or flexion phase of a bicep curl, the bicep brachii muscle engages in which type of skeletal muscle contraction?
- Isokinetic
- Concentric
- Isometric
- Eccentric
7. During maximum force generation, what is the optimal sequence of joint rotation?
- From large to small joints
- From smallest to largest joints
- Random joint order
- From upper to lower body joints
Answers:
- The study of movement in living things, especially how forces affect movement
- Gravity pulling a phone to the ground
- A net external force acts upon it
- Third-class lever
- Centre of mass within the base of support
- Concentric
- From large to small joints
OpenAI. (2025). ChatGPT. [Large language model]. https://chat.openai.com/chat
Prompt: Please create seven multiple-choice questions with answers based on the content shared.
