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After Hawkins' disappearance was publicized, witnesses came forward to report seeing a man on crutches, with a leg cast and carrying a briefcase, in an alley behind a nearby dormitory on the night of her disappearance. [104] One woman recalled that the man asked her to help him carry the case to his car, a light brown Volkswagen Beetle. [105]
Antagonist muscles are simply the muscles that produce an opposing joint torque to the agonist muscles. [9] This torque can aid in controlling a motion. The opposing torque can slow movement down - especially in the case of a ballistic movement .
Hyenas groom themselves often like felids and viverrids, and their way of licking their genitals is very cat-like (sitting on the lower back, legs spread with one leg pointing vertically upward). They defecate in the same manner as other Carnivora, though they never raise their legs as canids do when urinating , as urination serves no ...
While landing under a parachute canopy, the jumper's feet strike the ground first and, immediately, they let their legs collapse, with the body following sideways to distribute the landing shock sequentially along five points of body contact with the ground: the balls of the feet; the side of the calf; the side of the thigh
Movement is powered by skeletal muscles, which are attached to the skeleton at various sites on bones. Muscles, bones, and joints provide the principal mechanics for movement, all coordinated by the nervous system. It is believed that the reduction of human bone density in prehistoric times reduced the agility and dexterity of human movement.
Recreation is any human activity done for pleasure (or "play") during leisure time as opposed to those activities that are necessary for survival.Historically, this means that recreation only existed after human society reached the stage where leisure time existed, perhaps during the late stone age (Upper Paleolithic), as shown by the first appearance of cave paintings and musical instruments.
Such near-continuous innervation can be thought of as a "default" or "steady state" condition for muscles. Both the extensor and flexor muscles are involved in the maintenance of a constant tone while at rest. In skeletal muscles, this helps maintain a normal posture. Resting muscle tone varies along a bell-shaped curve. Low tone is perceived ...
This destruction hampered the German response to the invasion, but it proved equally hampering to the Allies, as it took time to repair the rail network's tracks and bridges. A trucking system nicknamed the Red Ball Express brought supplies to front-line troops, but used up five times as much fuel to reach the front line near the Belgian border ...