Why Do Joints Pop And Crack?

Why Do Joints Pop And Crack?

Assessment

Interactive Video

Science, Health Sciences, Chemistry, Biology

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the phenomenon of knuckle cracking, starting with a personal anecdote. It explains the anatomy of joints, focusing on synovial fluid and cartilage. The mechanism of joint cracking is described, highlighting the role of pressure changes and gas bubbles. The video also discusses the health implications, referencing a study by Dr. Donald Unger, and concludes that while knuckle cracking doesn't cause arthritis, it may weaken grip strength.

Read more

2 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the potential effects of knuckle cracking on grip strength.

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the most likely reason people find the noise of knuckle cracking unpleasant?

Evaluate responses using AI:

OFF