![]() These two types of sensory neurons compose muscle spindles. In vertebrates, limb movement and velocity (muscle length and the rate of change) are encoded by one group of sensory neurons ( type Ia sensory fiber) and another type encode static muscle length ( group II neurons). In many animals, sensory feedback from proprioceptors is essential for stabilizing body posture and coordinating body movement. Proprioceptive signals are transmitted to the central nervous system, where they are integrated with information from other sensory systems, such as the visual system and the vestibular system, to create an overall representation of body position, movement, and acceleration. ![]() Although all mobile animals possess proprioceptors, the structure of the sensory organs can vary across species. Most animals possess multiple subtypes of proprioceptors, which detect distinct kinematic parameters, such as joint position, movement, and load. Proprioception is mediated by proprioceptors, mechanosensory neurons located within muscles, tendons, and joints. ![]() oʊ ˈ s ɛ p ʃ ən, - ə-/ PROH-pree-oh- SEP-shən, -ə-) is the sense of self-movement, force, and body position. Sense of self-movement, force, and body position Schematics and images of limb proprioceptors in mammals (top) and insects (bottom) ![]()
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