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Another example is the fact that anger is characterized by forward whole body movement. [5] The theories that guide research in this field are the self-validation or perception theory and the embodied emotion theory. [5] [6] [7] Self-validation theory is when a participant's posture has a significant effect on their self-evaluation of their ...
Editor’s note: Before beginning any new exercise program, consult your doctor.Stop immediately if you experience pain. As you head into the gym, you likely already have a workout plan in mind ...
If the load is compression on the bar, rather than stretching it, the analysis is the same except that the force F and the stress change sign, and the stress is called compressive stress. The ratio σ = F / A {\displaystyle \sigma =F/A} may be only an average stress.
The patellar reflex, also called the knee reflex or knee-jerk, is a stretch reflex which tests the L2, L3, and L4 segments of the spinal cord. Many animals, most significantly humans, have been seen to have the patellar reflex, including dogs, cats, horses, and other mammalian species.
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The amount of stretch or compression along material line elements or fibers is the normal strain, and the amount of distortion associated with the sliding of plane layers over each other is the shear strain, within a deforming body. [2] This could be applied by elongation, shortening, or volume changes, or angular distortion. [3]
Tension is the pulling or stretching force transmitted axially along an object such as a string, rope, chain, rod, truss member, or other object, so as to stretch or pull apart the object. In terms of force, it is the opposite of compression. Tension might also be described as the action-reaction pair of forces acting at each end of an object.
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