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Introduction
Ariel Dynamics Inc. invented the FIRST
computerized Movement Analysis System, known as
the Ariel Performance Analysis System (APAS) in 1968. The System's inventor, Dr. Gideon
Ariel, developed the first on line electronic
digitizing system for reducing each picture in a film sequence, and later from a video,
into its kinematic components. Since 1971, Ariel Performance Analysis System has assisted
medical professionals, sport scientists, and athletes, to understand and analyze movement
using its advanced video and computer motion measurement technology. It surpasses all
other video systems for quantitative accuracy and scientific excellence for the most cost
effective choice in major medical and research and educational institutions around the
world.
The Ariel Performance Analysis System
(APAS) is the most advanced computer-based system for the measurement, analysis, and
presentation of movement performance. It is the only technology exist today to allow video
as well as markers and none markers system to integrate movement and its components. The
study of the motion of living things is known as "Biomechanics" and it has
evolved from a fusion of the classic disciplines of anatomy, physiology, physics, and
engineering. Biomechanical quantification are based on Newtonian equations and the APAS
analytic technique models the human body as a mechanical system of moving segments upon
which muscular, gravitational, inertial, and reaction forces are applied. Although the
system has primarily been used for quantification of human activities, it has had many
industrial, non-human applications. The computerized hardware/software technique provides
a means to objectively quantify the dynamic components of movement and replaces mere
observation and supposition.
The APAS demonstrates significant advantages over other
common approaches to movement systems.
| First, except for specific applications requiring EMG or
kinetic (force platform) data, it is non-invasive. No wires, sensors, or markers need be
attached to the subject. |
| Second, it is portable and rarely requires any
modification of the performing environment. Cameras can be transported to the site and
positioned so as not to interfere with the subject. |
| Third, the scale and accuracy of measurement can be set
to the levels required for the activity being performed. Video equipment technology
currently available is sufficiently adequate for most applications requiring accurate
motion analysis and is normally the least expensive option, particularly when two or more
cameras are needed. The APAS system was measured
the best when was compared to all other systems. |
| Fourth, When you purchase the APAS system, you
receive additional Workstations on any number of Notebooks or Desktop computers. This way
you can "net" together all the computers to work in harmony and efficient way.
Number of Universities utilizing the APAS system in the classroom, where each student has
his/her own system, for no additional cost. |
The ability to record the activity as a picture has a
number of advantages:
| It allows the scientist to make intellectual decisions
regarding the joint center at each frame rather than using markers attached at the skin's
surface. However, you can use marker to do both. |
| Subsequent quantification would be possible since the
video can be re-examined at any time. You never loose your raw data ! |
| Stick figure results can be overlapped with the video
pictures for effective result presentations. |
Applications of the APAS usage include many areas of
interest.
| Sport or athletic applications have included but not
limited to, volleyball, soccer, American football, tennis, track and field events, horse
racing and jumping, and golf. |
| Medical research is using the APAS to quantify movement
in Parkinson patients with and without drugs and before and after surgical procedures. |
| Job quantification |
| Task improvement |
| Post-injury assessment |
| Employment evaluations |
| Risk assessment, |
| Worker's compensation |
| Disability evaluations |
| Ergonomic evaluations of job tasks |
| Job standardization can be useful in the workplace. |
| Industrial applications include product design,
analysis, and improvement as well as such things as manufacturing hardware performances
such as piston movement accuracy. |
| Artistic endeavors, such as playing the violin, the
harp, and the piano, have been examined biomechanically by APAS applications. |
| Mammalian research has examined thoroughbred race horse
performance, feline locomotion, and monkey jumping performance. |
| Forensic analysis have included injuries sustained in
football, gymnastics, horse racing, and running shoes. |
| Space Research have included number of research studies
at NASA. |
| Rehabilitative usage include pre- and post-hip
replacement functioning, gait analysis, and comparisons of bilateral functions. |
| Educational purpose to teach students other fields
through Biomechanics |
|