Types of Muscles
Type of muscle that forms the walls of the heart
Cardiac muscle
The ability to respond to a stimulus such as a nerve impulse
Excitability
Moving a body part toward the midline
Adduction
Moving a body part away from the midline
Abduction
Chronic, widespread musculoskeletal pain that includes muscle stiffness, headaches, depression, and numbness in the arms and legs
Fibromyalgia
Type of muscle that is found in the internal organs of the body
Visceral/smooth muscle
The ability to be stretched
Extensibility
Decreasing the angle between two bones or bending a body part
Flexion
Increasing the angle between two bones or straightening a body part
Extension
Group of inherited diseases that lead to chronic, progressive muscle atrophy; appears in early childhood
Muscular dystrophy
Type of muscle that is attached to bones and causes body movements
Skeletal muscle
Allows the muscle to return to its original shape after it has stretched
Elasticity
Turning a body part downward
Pronation
Turning a body part upward
Supination
Sudden painful involuntary muscle contractions
Muscle spasms
Which type of muscle is voluntary?
Skeletal
Muscle fibers that are stimulated by nerves contract, which causes movement
Contractibility
Turning a body part around its own axis
Rotation
Bending forward or bending the foot away from the knee
Plantar flexion
Overstretching of an injury to a muscle or tendon
Strain
Which 2 types of muscles are involuntary?
Cardiac and visceral/smooth
Muscle fibers become short and thick
Contract
Bending backward or bending the foot toward the knee
Dorsiflexion
Moving in a circle at a joint or moving one end of a body part in a circle while the other remains stationary
Circumduction
Chronic condition where nerve impulses are not properly transmitted to the muscles
Myasthenia Gravis