Copy Right- Ho Muscle attachment in University 1-Origin 2-Belly 3-Tendon 4-Insertion 234 Usually muscle distribute paired Muscle works as functional groups Extensor flexor Pronator supinator abductor adductor medial rotator. lateral rotator Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan UniversityCopy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Muscle attachment 1-Origin 2-Belly 3-Tendon 4-Insertion 1 2 3 4 Usually muscle distribute paired Muscle works as functional groups Extensor & flexor Pronator & supinator Abductor & adductor medial rotator. & lateral rotator