BIO210Y5 Lecture Notes - Lecture 6: Skeletal Muscle, Agonist, Triceps Brachii Muscle
BIO210Y
Lecture 6 – The Muscular System
Origins and Insertions
Origin = where fixed end of a skeletal muscle attaches
• Most are bones
• Some are connective tissue sheaths or bands
• Typically proximal to insertion
in anatomical position
Insertion = where the movable
end of a skeletal muscle attaches
Action = specific movement
produced by a skeletal muscle
Module 10.3
Muscle Terminology
1. Agonist (Prime Mover)
• Muscle whose contraction is mostly
find more resources at oneclass.com
find more resources at oneclass.com
