The Muscular System Explain the difference between muscle and bone functions List three major functions of the muscle Match common disorders of the muscular system

Muscles make all movement possible Body parts Heartbeat Digestion

Functions of Muscle Elastic fibers are what make up muscle Three main functions Produce heat Produce movement Maintain posture

Types of Muscle Voluntary Muscles Muscles you contract when you want to move. You control the movement. Involuntary Muscles Muscles automatic – heart, stomach

Tendons Connects the muscles to the bone

Types of Muscle Tissue Skeletal Muscles or striated – voluntary muscles, provide movement of the body

Types of Muscle Visceral or smooth muscle- found in the walls of the internal organs – involuntary Digestive tract Respiratory Blood vessel walls

Types of Muscle Cardiac Muscle – forms the wall of the heart, circulates blood

Basic Movement of the Skeletal Muscle Adduct Moving a body part toward the midline Abduct Moving a body part away from the midline

Basic Movement of the Skeletal Muscle Extend Straightening a body part by moving it away from the body Flex Bending a body part toward the body

Basic Movement of the Skeletal Muscle Rotate Turning a body part on axis Open and Close Openings Sphincters

Human Skeletal Muscles Video

Fibromyalgia Muscular dystrophy Torn muscle