How long is one lap of a standard outdoor running track, measured in the inside lane?
Answer400 meters
A standard athletics track is 400 m around lane 1, so four laps is about 1,600 m.
Fitness · Facts & stats
iFit facts & stats
7 fact-checked facts about fitness and exercise, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
How many chambers does the human heart have?
Answer4
The heart has two atria and two ventricles, which pump blood to the lungs and the rest of the body.
Going deeper
Which is generally considered the largest muscle in the human body?
AnswerGluteus maximus
The gluteus maximus in the buttock is the largest muscle by mass and helps extend the hip.
The Achilles tendon connects the calf muscles to which bone?
AnswerThe heel bone
The Achilles tendon joins the calf muscles to the heel bone (calcaneus) and is the body's strongest tendon.
How many types of muscle tissue does the human body have?
Answer3
The three types are skeletal muscle, cardiac muscle in the heart, and smooth muscle in organs and vessels.
Expert level
Which is the smallest skeletal muscle in the human body?
AnswerStapedius
The stapedius, in the middle ear, is the smallest skeletal muscle and steadies the tiny stapes bone.
Holding a plank, where muscles work without changing length, is what type of exercise?
AnswerIsometric
In isometric exercise muscles contract and hold tension without the joint moving.
Know these cold?Today's round is five questions like these, 20 seconds each. Your streak and level follow you to every arena.Play today's round