Abstract The paper describes kinesthesiology as a branch of physics dedicated to the physics involved in movement. It shows that several scientists of note contributed to this field including Aristotle, who applied geometry to the acts of walking, running and jumping. The paper describes that as a dancer moves across the stage force is transferred from one element to another. This paper explores the body mechanics involved in all phases of the ballet leap, called the jete?.
Table of contents
Introduction
Phases of the Jete?
Analysis of the Muscles Involved
Analysis of the Injuries Prone to the Movement
From the Paper "The landing phase of the leap is by far the most dangerous. If the body is not positioned properly to absorb the impact, injuries could be extensive, particularly if they cause a fall. Every part of the body is at risk in a fall situation. Injuries could be more severe involving broken bones, especially in the ankle and foot of the leading leg. If a fall is involved bruising could result."
Abstract This paper explores the general perceptions of Horace Barlow, reflected in his paper "The Exploitation of Regularities in the Environment by the Brain", pertaining to the role of evolutionary internalized regularities, especially as they occur in theories of vision. The focus lies principally on issues relevant to the ecological validity of Shepard's kinematic geometry constraint in ordinary motion perception perspective. This paper also establishes the thought for two individual sets of assertions; perception of apparent motion modeled as kinematic geometry theory and internalization of the like.
From the Paper "The limitations of kinematic geometry proposed in Barlow's paper have been recognized, however kinematic geometry being a model for perception of apparent motion in my opinion is an idea that can expand into new dimensions. However internalization of kinematic geometry does project reservations about being a possibility. As indicated by Barlow, internalized principle of object observation gives way to the perception of apparent motion. The human brain's support for a percept is purged from an external stimulus. Conforming to the putative universals are the preferred perceptual solutions. "
From the Paper "Marker guides us with these techniques to see that individuals do not objectively experience and remember events as they occur. Instead, they catch the importance of an event or moment and form it into an image, which is almost an iconographic depiction. "
Abstract This paper explores the relationship between film and memory; specifically the method in which Chris Marker has attempted to replicate the initiation, control and retrieval of memory. The process of filmmaking, the structure of Marker's film, the elements within his film (such as the role of the woman) and the narrative all contribute to convey a sense of the human subconscious and the themes of memory, time and vision.
From the Paper "Through the cinematic style of a photo-roman, Marker explores the relationship and synthesis between memory, time and vision. Film and memory are compatible in style and structure. They both have the ability to reconstruct (or reinvent) reality and to defy the restrictions of space and time. Chris Marker's La Jetee is a cinematic exploration of the constructs of memory, space and time, and the equivocal structure of the film is resonant of the structure of memory. La Jetee examines the initiation, control and retrieval of memories through its central male protagonist, soundtrack, mise-en-scene, narrative, and filming techniques."
A detailed outline of a scientific experiment designed to show that the kinematics of constant acceleration are valid when applied to a rolling sphere.
1,280 words (approx. 5.1 pages), 0 sources, 2000, $ 43.95
Abstract This experiment investigates the relationship of the horizontal displacement of a metal sphere, descending from an inclined plane falling through a vertical distance. With the speed of a metal sphere V0x, and the height of the ramp y, we can find the horizontal distance squared X?.
Abstract This research project summarizes and combines the results of three experiments to determine the scientific relation between using the preferred and non-preferred legs in sports. The paper looks at the biomechanical reasons one leg outperforms the other and what can be done to overcome this obstacle.
From the Paper "In addition to the model, the experiment employed four men who were "skilled in punt kicking" (Putnam, 1991, p. 132) and a group of two men and two women who were skilled, if not well trained, in long distance running. The first batch of data was a ball-to-leg speed ratio. The four men were asked to punt the ball of their choice, trying to obtain maximum leg speed. The camera used to capture the information was aimed specifically at the ankle-area at the time of impact. The other group was asked to run and then walk along a line on the ground while cameras captured their joint movements and speeds. This experiment discovered a number of things about the way joints move and how this effects movement in the legs."
Abstract This paper presents the findings of an article written after testing two specific hypotheses: (1) that the ski boot in its standard setting causes a misalignment of two measurements of knee angles as compared to the natural barefoot position; and (2) that both canting and boot rotation affect on varus valgus (VV) and internal-external rotation (IRER) angles as well.
Outline:
Introduction
Article Summary
Subjective Evaluation
Biomechanical Description of Technique
Critical Analysis of Technique Selected
Summary
From the Paper "Knee injuries are some of the most interesting issues in orthopedics and sports medicine from the perspective of both prevention and treatment. The analysis of biomechanical causation is crucial to understanding acute traumatic knee injuries as well as long-term chronic knee problems commonly presenting in athletes at all levels of involvement.
"In the case of knee injuries in skiers, one testable hypothesis is the component of causation that relates to ski boots. By design, ski boots are intended to provide external support and maintenance of advantageous ankle and knee flexion and tibial angular orientation with respect to the perpendicular as measured between the skier and the ski
slope. Previous research has established a relationship between external ankle support in general and specifically, the way that altering or restricting the natural motion of the ankle joint contributes to changes in the mechanical load on anatomical structures in the knee."
From the Paper "The engineering definitions, methods of analysis, and significance of many elements of the study of fluid mechanics are presented.
Definitions and Fluid Properties
Fluids can be either liquids or gases, and fluid mechanics "refers to the study of the behavior of fluids, either at rest or in motion." Nunn elaborates that there are "two main physical properties defining a fluid: density and viscosity." Nunn then subdivides fluid mechanics into three major categories of ideal fluid flow, in which density is constant and viscous effects are negligible; compressible flow, in which density varies from place to place throughout the fluid and viscosity effects are trivial or..."
Abstract This paper first defines mechanics, a branch of study that deals with the influence of forces acting on bodies and dynamic responses of bodies to the imposition of those forces, and then lists the three different subdivision of mechanics. Included in this subdivision is dynamics, which the paper also explains and describes as it relates to the study of mechanics.
From the Paper "Life without motion is better explained as death. A living being is said to be having life only when the walls of the heart engage in pumping the blood, when the blood circulates through the entire body, when nerves impulse electrically from brain to toe, lungs move to bring oxygen, food transports through the stomach and intestines, when the iris expands and contracts, when the eyeball rotates, etc. Not only in the living beings, the riddles of the non-living items like recoiling of a fired gun, acceleration of an automobile, action of a spinning top, the motion of a space rocket can also be broken down in terms of the analysis of motion."
Abstract This paper states that drug addiction presents major challenges to psychoanalysts. The paper then notes that there are different techniques used to treat drug addiction but that the focus of the paper is on psychoanalysis as a mode of treatment for drug addiction. Next, the paper relates that gradually more experienced psychoanalysts are finding employment in drug addiction programs, but for them to be successful, they should be aware of different methods used in drug addiction treatment and try to incorporate them into their daily practice and job. The paper then discusses some of the various treatments available, focusing specifically on psychoanalysis. The paper concludes that people who are in the field of drug addiction treatment must try to have clear idea about using different methods of treatment as well as how to use and integrate these models effectively.
Outline:
Introduction
Psychoanalysis And Drug Addiction
From the Paper "To be exact, severe drug addiction is considered as being motivated by contradictory and unsettled relational kinematics that drawn from the premature systematizing relations in a individuals lives. As far as drug addiction is concerned, the terms of this disagreement discover solid look in distinguishing actions of using drugs that provide to spread it with the help of the mutual results of reinforcement and disguise. The objective of treatment is for patient and psychoanalyst to uncover the constituents of the relational ties that are embedded in the drug use, to reformulate these forces in figurative expressions, and tore-check them in the kinematics of the change, next to prospects for latest exchange. Seen this way, the treatment requirements of drug users can finely be convened by psychoanalysis, improved by other methods essential for dealing with addiction."
Tags: psychopathology, unsettled, relational, kinematics, traditional
From the Paper "Punting a football is an action designed to provide impetus to an external object. Movements of this type culminate in brief contact with an object (moving or still) by a moving body part. In such actions the "imparting of force" is the principal aim and the skills involve applying the force to the correct point, and with appropriate amounts of force, to achieve the desired distance and direction (Wells & Luttgens, 1976, p. 466). The motion involved in kicking the ball is angular in nature as the lower leg engages in rotating about an axis in the knee joint and the thigh moves in a rotatory motion about the hip joint.
The series of movements involved in punting include the flexion of the hip with explosive extension of the knee and plantar flexion of the ankle at the kicking point. The sole base of support from which the kick is launched is the standing ..."
From the Paper "This literature review of squat weightlifting is in the area of biomechanics and includes: optimal biomechanics, with the study of training modalities, contributions of biomechanical variables, and effects of weight-lifting limits; and the study of associated potential biomechanical problems, to include lumbar dynamics or lower back difficulties. Interest in physical strength includes many areas such as: ergonomics, human factors engineering, rehabilitation, physiology, psychology, and physical education. Athletes have used resistance training techniques to heighten competitive performance. A review of the squat weightlift is of interest since it is used to build physical strength and the squat-lift is accepted as a safe means of lifting, which, used correctly, will help eliminate lower back..."
From the Paper "CERVICAL SPINE DYSFUNCTION
Introduction
This research examines the phenomenon of cervical spine dysfunction. The anatomy of the spine and the biomechanics of movement are reviewed before the dysfunction of the cervical spine and physiotherapeutic techniques that may be used on subjects suffering from cervical spine dysfunction are examined.
Anatomy of the Spine
The human spine is comprised of 24 vertebrae. These vertebrae are small bones which as a set contain the spinal cord. The 24 vertebrae are grouped into three sections which correspond with their location on the spine. The three sections are (1) the cervical spine, which is comprised of the vertebrae located in the neck, (2) the thoracic spine, which is comprised of the vertebrae .."
Abstract The supermarket industry is highly competitive and characterized by low profit margins. Consumers are motivated by price and service since many of the items they carry are considered commodities by consumers. Convenience, including how quickly a consumer can select and pay for goods, is also a motivating factor in choosing one market over another for shopping chores.
From the Paper "ANTERIOR CRUCIATE LIGAMENT OF THE KNEE JOINT
Introduction
The supermarket industry is highly competitive and characterized by low profit margins. Consumers are motivated by price and service since many of the items they carry are considered commodities by consumers. Convenience, including how quickly a consumer can select and pay for goods, is also a motivating factor in choosing one market over another for shopping chores. A comparison of acute ACL stability tests includes the anterior drawer test, Lachman's test, and pivot shift test.
Anatomy & Structure
The anatomy of the knee includes the patellar ligament, patella, articular cartilage, posterior cruciate ligament, anterior cruciate ligament, medial collateral ligament, lateral ..."
From the Paper "Chapter 1
Introduction
While there are a variety of skill groupings that prove important to the play of baseball, those entailing the batter's hitting the baseball prove most difficult. As a result, the batter's hitting of the baseball is one of the most important skills needed in the game. There are primarily three phases, or skill groupings, that comprise the swing of the baseball batter: the preparatory phase, the force phase, and the follow-through phase (Hay, 1985, p. 205). The preparatory phase of the batter's swing entails the stance, while the stride and the swing consist of the force phase. McKinney and Logan report that the follow-through phase consists of those actions taken by the batter as he or she is recovering from the swing (McKinney & Logan, 1977, p...."