Innehållsförteckning
Vad är en Proprioceptor?
Rörelse- och positionssinnet, eller proprioceptionen som detta sinne även kallas, säger oss hur våra kroppsdelar (t. ex. armar och ben) är belägna och rör sig i förhållande till varandra utan att vi behöver se dem. Proprioceptionen har undersökts ganska sparsamt i jämförelse med de fem vanliga sinnena.
Var ligger Muskelspolarna och vilken funktionen har de?
Muskelspolar är särskilt vanliga i muskler som motverkar tyngkraften (sträckarmuskler i benen och böjarmuskler i armarna) och i kotpelarens muskler, speciellt inom nacken. Muskelspolarna ligger insprängda i muskelns bindväv mellan, och parallellt med, de kraftutvecklande extrafusala muskelcellerna (extrafusalerna).
What is another name for proprioception?
Proprioception (/ ˌproʊprioʊˈsɛpʃən, – priə -/ PROH-pree-o-SEP-shən), also referred to as kinaesthesia (or kinesthesia), is the sense of self-movement and body position. It is sometimes described as the ”sixth sense”. Proprioception is mediated by proprioceptors, mechanosensory neurons located within muscles, tendons, and joints.
What is the initiation of proprioception?
The initiation of proprioception is the activation of a proprioreceptor in the periphery. The proprioceptive sense is believed to be composed of information from sensory neurons located in the inner ear (motion and orientation) and in the stretch receptors located in the muscles and the joint-supporting ligaments (stance).
What is the proprioceptive sense composed of?
The proprioceptive sense is believed to be composed of information from sensory neurons located in the inner ear (motion and orientation) and in the stretch receptors located in the muscles and the joint-supporting ligaments (stance).
What are the three types of proprioceptors in the body?
Most vertebrates possess three basic types of proprioceptors: muscle spindles, which are embedded in skeletal muscle fibers, Golgi tendon organs, which lie at the interface of muscles and tendons, and joint receptors, which are low-threshold mechanoreceptors embedded in joint capsules.