Five Facts - Muscles

How many muscles are involved in a big smile?

• 43

• 20

• 10

• 60

What is unique about the tongue compared to other muscles?

• It is only connected to muscles on one end.

• It is the largest muscle in the body.

• It never gets tired.

• It is the strongest muscle in the body.

Which muscle is crucial for standing upright?

• Biceps

• Gluteus Maximus

• Quadriceps

• Trapezius

What are hypnic jerks?

• A muscle relaxation technique

• A type of muscle cramp

• Sudden muscle movements during sleep

• A form of exercise

Which muscle is the second busiest in the body?

• The calf muscles

• The biceps

• The heart

• The diaphragm