Optimised.

The David Shoulder Solution revolutionizes the treatment of shoulder pain by using biomechanically optimized movements and a visual biofeedback system for guidance.

Shoulder pain is a massive problem worldwide.

Shoulder problems cause the most sick leaves of any musculoskeletal illnesses (15 days on average). Shoulder pain is the most common musculoskeletal disorder within people over 65 years (Taylor, 2005) and its prevelance has tripled in the course of 40 years (Harkness, 2005). Every second people will suffer shoulder pain during their lives.

Today’s challenges

Traditionally physiotherapy uses very simple tools like pulleys and rubber bands to rehabilitate shoulder problems but these methods are not measurable, trackable or repeatable and they are far from being biomechanically optimal.

For example, the widely-used rubber band exercises for outer and inner rotation of the shoulder have exactly the opposite loading curve compared to the muscles’ strength curve: the loading is at the highest at the end of the movement where the muscles are the weakest. This puts unnecessary stress on the joint while providing poor training effect.

Usually shoulder devices have been designed primarily to strengthen large upper body muscles but the causes for shoulder pain are nearly always elsewhere. Generally the problems are caused by the weakness of the small stabilizing muscles of the shoulder joint. Thus, these so called rotator cuff muscles can not be isolated with traditional fitness devices.

Hannah, Daniel Cason, “A Comparison of Strength and Resistance Curves for the Internal and External Rotators of the Shoulder.” (2002). Electronic Theses and Dissertations. Paper 680.

A change towards active therapy.

Today, more and more evidence is emerging continuously preferring active therapy instead of surgery. Obviously, there are shoulder conditions that require surgical actions but for the most common problems such as shoulder impingement (or sub acromial pain syndrome as it is called nowadays) there is no scientific justification for surgical treatment.

Shoulder impingement syndrome is one of the most typical shoulder problems. Surgery is a common treatment for this problem but recent study has shown that it offers no benefit over active treatment: “… arthroscopic acromioplasty has no good justification as a treatment for shoulder impingement syndrome, and it should therefore be abandoned as the standard treatment. Structured exercise treatment should instead be the basis for treatment.” (Ketola, 2016)

Pure isolation

With David Shoulder Solution internal and external rotators of the shoulder joint together with scapular stabilizer can be activated extremely safely and efficiently. Optimal joint angles together with supportive movement arm isolate the activation precisely to the desired muscles.

Pure isolation is essential, since otherwise stonger internal rotators, like pectoralis major, will do the work. When rehabilitating sore shoulders, carefully designed resistance curve is absolutely crucial in order to perform the exercise in a controlled manner.

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Guiding and motivation

In each device, a computer terminal guides and motivates the patients to follow exactly the given parameters prescribed in their individualized programs. Parameters include e.g. selected movements, adjustments, loading, range of motion, repetitions, movement speed, progression, session numbers and frequencies. These parameters are automatically designed and fine-tuned with the use of the cloud-based software and patients get immediate feedback on their compliance level.

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Typical indications

The David Shoulder Solution suits patients suffering from prolonged (sub-acute or chronic), recurrent, post-operative or post-traumatic shoulder problems. Such as Poor posture, Frozen shoulder, Rotator cuff disorders, Shoulder instability, Acromioclavicular joint disorders, Osteoarthritis in the shoulder joints.

Future of physiotherapy

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