In five pages this paper discusses the physiological role the body plays in the activities of eating, walking, and sleeping. Eight sources are cited in the bibliography.
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mid and lower body, it can readily be asserted that the entire body is, indeed, a primary factor in the persons ability to carry out the action. The lower
extremities may be considered the primary functioning portion; however, the upper body also helps in relation to balance and overall achievement of the movement. The body does not move
independently of each segment, in that it would be virtually impossible to produce a walking motion without also employing the movement of the upper body. While it is true
that lower extremities play a role in the force and direction of upper body motion (MacWilliams et al, 1998), the opposite can also be applied when addressing the kinesiology
of walking. "Explicit instruction in motor tasks and a subjects intention may change muscle activation patterns when mechanical conditions and characteristics of motor tasks remain unchanged" (Latash et al,
1998, p. 194). The primary joint concerned in the motion of stepping is the knee joint, which researchers have recognized as being one
of the major problems for people due to difficulty in positioning in the knee joint necessary to maintain the structural stability of the joint. "Intact joint position sense is
necessary for normal muscle coordination and timing" (Carpenter et al, 1998, p. 262). Additionally, it has been established that "the intensity and timing of muscle activity between the vastus
medialism and the vastus lateralis muscles which support the structure of the knee" (Power et al, 1996, p. 946) have added to difficulties in lateral patellar tracking, ultimately resulting in
the potential injury. Similar in structure to that of the elbow, the knees composition incorporates three distinct bones that all meet at a