Measurement of three-dimensional intra-articular kinematics: Methodological and interpretation problems

Article Abstract:

The methodological problems encountered when investigating intra-articular kinematics both in vivo and in vitro in the context of the measurement of movement and interpretation of the kinematics data are described. Due to the complexity of the evaluation of three-dimensional motions, it is necessary to train orthopaedic surgeons, physical and manual therapists, ergonomists and anatomists in the difficulties and pitfalls in interpreting kinematics.

Health aspects, Joint diseases

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Intra-articular kinematics of the upper limb joints: A six degrees of freedom study of coupled motions

Article Abstract:

The reports of three consequent studies on selected three-dimensional intra-articular movements of the acromioclavicular (AC), the glenohumeral and the humero-ulnar joints are described. It is shown that the intra-articular behavior was in contradiction to currently accepted convex-concave concepts in arthrokinematics and manual therapy.

Acromioclavicular joint

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Arthro-kinematics of the elbow: Study of the carrying angle

Article Abstract:

A study was conducted to confirm the previously described progressive decrease of the carrying angle as a function of increasing elbow flexion. It is shown that functional use of the carrying angle mostly results from a combination of lateral rotation at the shoulder joint, extension of the elbow and supination of the forearm.

Elbow, Forearm, Goniometry

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