If you’re suffering from a sore lower back, you’re not alone ― Bupa says two-thirds of us suffer from the twinges at one point or another. And while the thought of working out with a beleaguered back can feel unappealing, the NHS says staying active and doing some exercises and back pain can help those suffering to recover. Back pain that makes movement too painful is worth seeing a GP about, but otherwise, both the NHS and the British Heart Foundation recommend a series of stretches to ease the pain. One of them, which involves your knees, can even be done from bed.“Knee hugs” can ease lower back painA single or double “knee hug” can gently stretch your back without placing too much pressure on your spine. “A good place to do this exercise is on your be