Joint hypermobility simply means that you can move some or all of your joints more than most people can you may have been aware from an early age that your joints were more supple than other peoples you may think of it as being double jointed if a number of joints are affected your doctor may refer to this as generalised joint hypermobility. If you have hypermobile joints youre able to extend them easily and painlessly beyond the normal range of motion hypermobility of the joints occurs when the tissues holding a joint together. Joint hypermobility means that some or all of a persons joints have an unusually large range of movement people with hypermobility are particularly supple and able to move their limbs into positions others find impossible joint hypermobility is what some people refer to as having loose joints or being double jointed. The joint hypermobility syndrome is a condition that features joints that easily move beyond the normal range expected for a particular joint the joint hypermobility syndrome is considered a benign condition it is estimated that 10 15 of normal children have hypermobile joints or joints that can move beyond the normal range of motion