Health Muscular System Flashcards
List three ways that muscles are attached to the bones
Tendon
Directly to the bones
Aponeurosis
List three functions of the skeletal muscles
Protection
Movement
Shape & Support
List two things that could be lacking if you are experiencing a muscle cramp
Lack of- Potassium/water
Name the hereditary disease of the muscle that causes a slow degeneration of muscle fibers
Muscular dystrophy
What is the situation called where muscles get smaller and weaker without use
Atrophy
Name the muscle that allows you to shrug your shoulders
Trapezius
Name the muscle that extends your fingers
Extensors
Name the muscle that extends or points the foot
Gastracnemius
Name the muscle that flexes the arm
Bicep
Name the muscle that raises the arm
Deltoid
Name the muscle is used to extend your leg
Rectus Femoris
Name the muscle that flexes the spine
Rectus abdominus
Name the muscle that allows you to twist at the waist
External obliques
What is the longest muscle in the body
Sartorius
What percentage of muscle is made up of water
75%
What percentage of muscle is made up of protein
20%
What percentage is made up of Inorganic & organic SUBSTANCES
5%
Muscles do two things
Contract & relax
Decreasing the angle between two limbs is called
Flexion
Increasing the angle between two limbs is called
Extention
The palms facing up
Supination
The palms facing down
Pronation
Taking a limb from the mid line
Abduction
Adding a limb to the mid line
Adduction
Muscle is always in a state of constant contraction
Muscle tone
The muscle gets larger and stronger with use
Hypotrophy
Disease is named after (ALS)
Lou Gehrig
All or None principle
One muscle fiber contracts in a bundle, all of them do
What muscle pulls the heel and flexes the leg and where
Hamstrings
A painful irritation of the tendon
Tendonitis
Bending a hinge joint beyond its normal range of motion
Hyper extension
