Foomka ergonomic ee dheellitiran: Lagu dhisay iyada oo macaamiil kastaa maskaxda lagu hayo si aan kaliya looga yarayn walbahaarka, laakiin kor u qaadida booska caafimaadka leh, qaybinta miisaanka, iyo fududaanta dhaqdhaqaaqa.
Nidaamka siideynta cadaadiska ee gaarka ah: Naqshad jeebka jeebka ee gaarka ah waxay hubisaa cadaadiska sii deynta taageerada miskaha, coccyx (lafaha dabada), dhabarka hoose, lafdhabarta, aagga sciatic, iyo glutes.