ice ption ▁and ▁provide ▁information ▁about ▁joint ▁acceleration . ▁They ▁also ▁have ▁a ▁low ▁threshold ▁and ▁respond ▁to ▁a ▁few ▁gr ams ▁of ▁t ension . ▁ ▁Activ ates ▁mechan ore cept ors ▁in ▁the ▁deep ▁layer ▁of ▁the ▁joint ▁caps ule ▁- ▁Pac in ian ▁Cor pus cles . ▁▁ ▁Gra de ▁III ▁- ▁Rel atively ▁large ▁amplitude , ▁rh ythm ically ▁oscill ating ▁joint ▁gli de ▁that ▁car ries ▁to ▁the ▁end ▁of ▁the ▁available ▁ar th ro kin ematic ▁joint ▁play . ▁ ▁Design ed ▁to ▁phys ically ▁stretch ▁the ▁joint ▁caps ule . ▁▁ ▁Gra de ▁IV ▁- ▁Low ▁amplitude , ▁rh ythm ically ▁oscill ating ▁joint ▁gli de ▁that ▁is ▁performed ▁at ▁the ▁end ▁of ▁the ▁available ▁ar th ro kin ematic ▁joint ▁play . ▁ ▁Design ed ▁to ▁phys ically ▁stretch ▁the ▁joint ▁caps ule . ▁▁ ▁Gra de ▁V ▁- ▁This ▁grade ▁refers ▁to ▁the ▁use ▁of ▁a ▁single ▁high - vel ocity , ▁low - am plit ude ▁thrust ▁performed ▁at ▁the ▁end ▁of ▁the ▁available ▁joint ▁play . ▁ ▁Activ ates ▁Gol gi ▁tend on ▁organ - like ▁end ings ▁that ▁in hib it ▁mus cle ▁tone ▁and ▁monitor ▁the ▁direction ▁of ▁joint ▁motion . ▁They ▁have ▁a ▁higher ▁threshold ▁and ▁respond ▁to ▁forces ▁on ▁the ▁order ▁of ▁kil og rams ▁- ▁Gol gi ▁tend on ▁org ans . ▁ ▁See ▁also ▁▁▁ ▁Natural ▁ap oph y se al ▁gl ides ▁ ▁Orth op edic ▁medicine ▁ ▁Pass ive ▁access ory ▁inter verte br