What Does It Mean To Be Double Jointed And Is It Harmful Hypermobility (more commonly called being double jointed) affects about 20% of people. an orthopaedic surgeon explains the cause and when hypermobility can be a problem. Push your thumb back to touch your forearm. hold your arm out straight in front of you so your palm faces down. press your thumb towards your inner forearm with your other hand. if you can push it all the way back so that it touches your forearm, you have hypermobile thumbs. [2] repeat the test on your other thumb.
What It Really Means To Be Double Jointed The term double jointed is an inaccurate way of saying that someone has hypermobility of their joints. double jointed would imply that the individual has more joints than normal or that their joints have a twice normal motion – neither of these is true. the truth is that people who are called "double jointed" have joints with more mobility. The most commonly affected joints of joint hypermobility are your elbows, wrists, fingers and knees. and out of the three main types of joints we have in our body – fibrous, cartilaginous and synovial – the synovial joints are most prone to hypermobility. this is because they have a fluid filled cavity that surrounds the articulating bones. Another cause for hypermobility is having cartilage that is very elastic. cartilage is a firm, whitish, flexible connective tissue that’s located between most joints and other areas of the body. hyperlaxity can also be due to unusually flexible ligaments, the connective tissue that connects bones to other bones to form joints. The myth of being 'double jointed'. humans can’t really be double jointed, though some of us are owners of surprisingly flexible joints. and that can have some surprising effects, says jason g.
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