Myofilaments
Definitions
Types of Movement
Major Properties
Extra Content
100

Blank and Blank filaments work together to produce a muscle contraction

Actin and Myosin 

100

Which is known as thin filaments?

Actin

100

What is know to be straightening and extending of the joint to increase the angle between two bones or body parts?

Extension 

100

Which major principle is defined as a muscle can be stretched without damage by the application of force. 

Extensible 

100

What is known to be parts of the body that do not require a person to think about moving.

Involuntary 

200

True or False: Actin and Myosin are connected to the M-line

False 

200

Which is known as thick filaments?

Myosin 

200

Which is known as moving a body part away from the midline of the body? 

Abduction 

200

Which major property is known as the muscular system is adaptable in that it can be changed in response to how it is used. 

Adaptability 

200

Define Voluntary

Parts of the body that do require a person to think about moving. 

300

What is located between two Z-lines? 

Sarcomeres 

300

What is known to be one sarcomere length? 

Z-lines

300

Which is known as moving a body part toward the midline of the body. 


Adduction 

300

Define Contractible 

After receiving stimulation, they are capable of contracting, or shortening.

300

True or False: Fascia is defined as- Attach muscles to other muscles

True 

400

What is the midpoint of a sarcomere called? 

M-line 

400

The M-line is in the middle of the sarcomere, but what does it contain? 

protein structures 

400
Define rotation 

Involves moving a body part around an axis. 

400

True or False: Extensible can be defined as a muscle can be stretched with damage by the application of force.

False (without damage) 

400

What are tendons? 

Attach a muscle to a bone

500

What causes muscle fibers to shorten?  

Actin and myosin interact to pull the muscle fiber towards the M-line

500

Define A-band 

The length of myosin

500

Define Flexion. 

Bending a joint to decrease the angle between two bones or two body parts. 

500

Define Excitable or Irritable

They are compatible of receiving stimulation and responding to stimulation from the nerves.

500

If the communication from the nervous system is severed from the skeletal muscles, the skeletal muscles will not be able to produce movement. This is known as what?  

Quadriplegia