32K views · 450 reactions | If your car recommends (but doesn't require) premium gas, should you use it? AAA put the question to the test. The idea is that premium gas, with a higher octane rating, will allow your car to produce more power and operate more efficiently, as a result of advanced ignition timing. But does it actually make a difference? | Engineering Explained | Facebook

1.6M views · 6.1K reactions | Uppáhalds úr fortíðinni gerir endurkomu í Best í prófinu  (Översättning: En favorit från förr gör comeback i Bäst i test). Bäst i test  svtplay.se/bast-i-test | SVT | Facebook

428K views · 1.2K shares | EXTREMELY PURPOSEFUL AND INFORMATIVE...

TINEL'S SIGN FOR CARPAL TUNNEL SYNDROME (CTS) Another test, next to the Phalen's test to test for CTS, is the Tinel's sign. The idea behind the Tinel sign -which is a test that is generally used in suspected peripheral nerve pathology - is that tapping elicits paresthesia (tingling, needles) as the nerve is rendered mechanosensitive due to prolonged pressure and resulting ischemia. This is due to the fact that the Sodium-Potassium pump cannot work properly without oxygen, which is why the nerve'

6.9K views · 158 reactions | Carpal Tunnel? Take Phalen’s Test This self-test places pressure on the median nerve that runs down your arm, through your carpal tunnel. If it’s impinged, you’ll likely feel pain in and around your wrist, down into your thumb, index, middle finger, and maybe even part of your ring finger. #carpaltunnel #carpaltunnelsyndrome #wristpain | YOGABODY | Facebook