Abstract: Biomechanical analyses upon the human body are very important within the field of rehabilitation and locomotion recovery procedures, having a significant impact upon the efficiency and development of the objective investigation and assessment methodologies.
In this paper I presented a series of analyses performed in complex investigation structures aiming each time at the establishment of an advanced non-invasive and objective methodology suitable for every type of locomotion malfunction. At the same time we intended the assessment of these malfunctions in connection with other physiological parameters, which do not present deflections from the normal status. We aimed at the conception of the investigation and experimental methodology structure in correlation to the information obtained from the physiological analysis devices upon the human body with those obtained from the measuring equipments (Kistler force plate type-forces and torques on three directions, highspeed videocam, thermovision videocam etc)).
Human gait is the result of interactions between both internal and external factors.
During gait performance almost all the components of the human body are involved (nervous system, vestibular system), but especially the inferior limbs connected by pelvis. All the joints of the pelvic area are strained during gait, but also during static posture in a more or less intense way.
The objective clinical examination of the gait or standing position represents an important study of clinical semiology, being necessary in acknowledging the pathology of certain afflictions and symptoms. It must be performed on a flat ground, especially climbing up and down the stairs, in normal parameters of the recording conditions (temperature, environment, humidity, atmospheric pressure) but also at different moments of the day (morning, noon, evening).
Normal gait, normal contact of the pelvic area with the ground may be modified by a multitude of acquired or congenital afflictions. In order to define each type of pathological gait we have to examine at first the entire kinematic chain of the pelvic member (from the coxal-femoral joint to the foot) and also simulate it on computer software. Thus, secondary modifications show up, at the level of the coxal-femoral joint, due to some older pathology or to some fracture lesions or ageing process. The designed and developed structure during this research is based on the human gait analysis considering the situation of changing the displacement surface level (stairs) for neural - motor disabled persons in different stages of the treatment (before, during and after the medical and physical recovery treatment), researching the evolution of the human body and the effect of these procedures.