Oliver Bee RMTRegistered Massage Therapist

Massage therapy · Kitchener–WaterlooEhlers Danlos Syndrome

Whole body

What It Is

Ehlers-Danlos syndromes (EDS) are a group of rare inherited conditions that affect connective tissue (NHS, 2022). Connective tissues support the skin, tendons, ligaments, blood vessels, internal organs and bones, giving them strength and elasticity (NHS, 2022). In EDS, the body makes weaker connective tissue, so it can't support the body as it should (Cleveland Clinic, 2026).

Most types of EDS cause joints that move further than normal (hypermobility), so the joints can be loose and unstable (MedlinePlus Genetics, 2022). However, not every type does: vascular EDS, for example, does not cause joint hypermobility (Cleveland Clinic, 2026).

Since 2017, EDS has been classified into 13 types, most of which are rare (MedlinePlus Genetics, 2022; NHS, 2022). Hypermobile EDS is the most common type. Other types include classical, vascular, kyphoscoliotic, arthrochalasia and dermatosparaxis EDS (NHS, 2022; MedlinePlus Genetics, 2022). Taken together, all types of EDS affect at least 1 in 5,000 people worldwide (MedlinePlus Genetics, 2022).

Many people with EDS have joints that are overly flexible and skin that is stretchy, soft and fragile and bruises easily (MedlinePlus Genetics, 2022). In classical EDS, wounds can split open easily, heal slowly and leave wide scars (NHS, 2022).

In some rare types, especially vascular EDS, the walls of blood vessels and organs such as the intestines and the womb (during pregnancy) can tear, which can be life threatening (NHS, 2022; MedlinePlus Genetics, 2022). The eyes can also be affected in some types (NHS, 2022).

Ehlers Danlos Syndrome Anatomy

EDS is caused by faults in certain genes that weaken connective tissue, including the proteins (such as collagen) that support the bones, skin, joints, internal organs and blood vessels (NHS, 2022; MedlinePlus Genetics, 2022). There is no cure, but many of the symptoms can be managed, and treatment aims to prevent complications such as dislocations (Cleveland Clinic, 2026; NHS, 2022).

In the types of EDS that cause hypermobility, people may describe themselves as double jointed or as having very loose joints. These joints can be prone to sprains, partial dislocations (subluxations) or full dislocations, and joint pain and clicking are common (NHS, 2022; MedlinePlus Genetics, 2022). The skin may be fragile, bruise easily or be very stretchy (MedlinePlus Genetics, 2022).

The Beighton score is used to assess the degree of hypermobility. It is scored out of 9 points (The Ehlers-Danlos Society, 2026):

  1. Can you bend your little finger backwards beyond 90 degrees? Score one point for your left little finger, and another point for your right little finger. Total = 2 points.
  2. Can you straighten your elbow beyond 10 degrees backwards? Score one point for each elbow. Total = 2 points.
  3. Can you bend your thumb back to touch your forearm? Score one point for each side. Total = 2 points.
  4. Can you lock your knees out so they bend backwards beyond 10 degrees? Score one point for each side. Total = 2 points.
  5. Can you bend forwards and place both palms flat on the floor without bending your knees? Score one point.

Total points = 9.

A score of 5 or more in adults (6 or more in children before puberty, and 4 or more in adults over 50) is a sign of generalised hypermobility (The Ehlers-Danlos Society, 2026). A high score does not necessarily mean you have EDS. Joint hypermobility is fairly common, affecting around 1 in 30 people, and it is unlikely to be caused by EDS if you have no other symptoms (NHS, 2022).

Not a diagnosis — for more information, contact me or another trusted healthcare provider.

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