Chapter 11.8, Problem 19WDL

Summary Introduction

To determine:

Which muscle extends the arm at the glenohumeral joint.

Concept introduction:

Muscle is defined as the soft tissue found in animals and humans. There are three types of muscles such as striated muscle, non-striated and cardiac muscle. It is composed of actin and myosin protein filaments that slide into one another and causing contraction of the muscle. It helps to produce force and motion.