KNOWING what to pack for a long-flight can often be a difficult decision to make. Along with jumpers and travel pillows, experts have bizarrely explained why a tennis ball should be included too. 3 Taking a tennis ball on a flight can help your legs on long journeys Credit: Alamy 3 Experts have said a tennis ball is a great way to increase circulation and help sore muscles Credit: Getty Long flights can increase the risk of blood clots, due to the lack of circulation in the legs when sitting for long periods of time.

And a tennis ball could alleviate this. Professor Ali Ghoz, an orthopaedic surgeon, previously told The Daily Star : "By taking a tennis ball or a massager on the plane this will help increase circulation." This is because the ball can be used to roll out any tight or sore muscles, particularly in the legs and back.

Other experts have backed up using tennis balls to alleviate pain. llinois-based physical therapist Peter Allan Schmitt told USA today: “[Tennis balls are] the perfect size for most areas and they have a little bit of give, which I like. A fitness trainer even said that two tennis balls was the ideal.

Laura Coleman said on her social media: "Take two tennis balls , put them in a sock. Take that sock, put it in the middle of your back. Most read in News Travel EUR-OWED Scotland fans 'thousands out of pocket' after Euro 2024 travel firm collapses SAFETY FEARS My son was abandoned on nursery trip when teachers forgot about him, I'm livid 'I'M FINE' Sco.