Why Can’t You Clench Your Fist Right After Waking Up?

Why Can’t You Clench Your Fist Right After Waking Up?

Assessment

Interactive Video

Physics, Science, Chemistry, Health Sciences, Biology

KG - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores why making a fist is difficult immediately after waking up. It explains that this phenomenon is due to the body's reduced blood flow and electrolyte distribution during sleep. Electrolytes like potassium, calcium, and sodium are crucial for muscle contraction and relaxation. Upon waking, the body gradually resumes normal blood flow, which can delay muscle function. In emergencies, adrenaline can override this delay. Persistent morning hand weakness may indicate medical conditions like rheumatoid arthritis or Lambert Eaton syndrome.

Read more

2 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the physiological changes that occur when waking up suddenly due to an emergency.

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

What should someone do if they experience sudden hand weakness upon waking?

Evaluate responses using AI:

OFF