![]() Provided by: Wikipedia License: CC-BY-SA 4.0.) ![]() This iIllustrates the patellar reflex, also known as a myotatic reflex, the stretch reflex, and the knee-jerk reflex. A superficial reflex is elicited through gentle stimulation of the skin and causes contraction of the associated muscles.įig.3.1.1. A deep tendon reflex is commonly known as a stretch reflex and is elicited by a strong tap to a tendon, such as in the knee-jerk reflex. The reflexes that are tested in the neurological exam are classified into two groups. Reflexes combine the spinal sensory and motor components with a sensory input that directly generates a motor response. This has led to the notion that kinesthesia is more behavioral, and proprioception is more cognitive. Another difference in proprioception and kinesthesia is that kinesthesia focuses on the body’s motion or movements, while proprioception focuses more on the body’s awareness of its movements and behaviors. The affected individual would be able to walk, but only by using the sense of sight to maintain balance the person would be unable to walk with eyes closed. This would degrade the proprioceptive sense, but not the kinesthetic sense. An inner ear infection, for example, might degrade the sense of balance. Often the kinesthetic sense is differentiated from proprioception by excluding the sense of equilibrium or balance from kinesthesia. While the terms proprioception and kinesthesia are often used interchangeably, they actually have many different components. The discovery of kinesthesia served as a precursor to the study of proprioception. Kinesthesia is a key component in muscle memory and hand-eye coordination. Kinesthesia is the awareness of the position and movement of the parts of the body using sensory organs, which are known as proprioceptors, in joints and muscles. This system is activated when you step off a curb and know where to put your foot, or when you push an elevator button and control how hard you have to press down with your fingers. Proprioception is one of the subtler sensory systems, but it comes into play almost every moment. A major component of proprioception is joint position sense (JPS), which involves an individual’s ability to perceive the position of a joint without the aid of vision. It is distinguished from exteroception, by which one perceives the outside world, and interoception, by which one perceives pain, hunger, and the movement of internal organs. ![]() ![]() Proprioception is the sense of the relative positioning of neighboring parts of the body, and the sense of the strength of effort needed for movement. Understand the relationship between the terms kinesthesia and proprioception.īe able to explain how the knee-jerk reflex works. ![]()
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