Muscular System Functions of the Muscular System Functions

Muscular System

Functions of the Muscular System

Functions of the Muscular System Holds the body upright

Functions of the Muscular System Holds the body upright Make movement possible

Functions of the Muscular System Holds the body upright Make movement possible Generates 85% of body heat

Functions of the Muscular System Holds the body upright Make movement possible Generates 85% of body heat Moves food, blood and fluids through the body

3 Types of Muscle

3 Types of Muscle Smooth Muscle-lines organs, digestive tract, respiratory tractinvoluntary

3 Types of Muscle Smooth Muscle Cardiac Muscle-heart muscle-involuntary

3 Types of Muscle Smooth Muscle Cardiac Muscle Skeletal Muscle- voluntary

Antagonistic relationship What is the definition of antagonistic?

Antagonistic relationship Skeletal muscles work in pairs.

Antagonistic relationship Skeletal muscles work in pairs. The pairs work in opposition to each other.

Example: biceps and triceps When one muscle contracts the other relaxes

There are over 600 skeletal muscles in the human body, they all have a name.

There are over 600 skeletal muscles in the human body, they all have a name. There are 7 ways muscles are named

7 ways Muscles are named 1. Origin and Insertion- where the muscle begins and end. Example- sternocleidomastoid

7 ways Muscles are named 1. Origin and Insertion- where the muscle begins and end. Example- sternocleidomastoid 2. Action- what the muscle does. Example- flexor Carpi

7 ways Muscles are named 1. Origin and Insertion- where the muscle begins and end. Example- sternocleidomastoid 2. Action- what the muscle does. Example- flexor Carpi 3. Location- Example- pectoralis major, when there is a major muscle there is always a minor, pectoralis minor

7 ways Muscles are named 4. Fiber Direction- example: obliques

7 ways Muscles are named 4. Fiber Direction- example: obliques 5. Number of divisions- example: biceps, triceps

7 ways Muscles are named 4. Fiber Direction- example: obliques 5. Number of divisions- example: biceps, triceps 6. Size- example: Gluteus Maximus. When there is a maximus there is always medius and minimus

7 ways Muscles are named 4. Fiber Direction- example: obliques 5. Number of divisions- example: biceps, triceps 6. Size- example: Gluteus Maximus. When there is a maximus there is always medius and minimus 7. Shape- Example: deltoid

Range of Motion Each joint and the muscles that move the joint have a specific range they can move.

ROM’s Flexion- bending a joint Extension- straightening a joint example: elbows and knees

ROM’s Flexion and extension- example: elbows and knees Abduction-moving a body part away from the body Adduction-moving a body part toward the body example: moving the legs or arms outward or inward

ROM’s Flexion and extension- example: elbows and knees Abduction and adduction-example: moving the legs or arms outward or inward Pronation- turning the palms down. Supination-turning the palms upward. Example: turning the palms of the hand up or down

ROM’s Flexion and extension- example: elbows and knees Abduction and adduction-example: moving the legs or arms outward or inward Pronation and supination-example: turning the palms of the hand up or down Rotation-movement around the axis of the joint.

Flexion and extension- example: elbows and knees Abduction and adduction-example: moving the legs or arms outward or inward Pronation and supination-example: turning the palms of the hand up or down Rotation-movement around the axis of the joint. Circumduction- movement at the end of the rotating body part