Muscle Properties
Muscle Functions & Injuries
Facts to Know
Key Terms & Defs
More Injuries
100

What property describes the capability for muscles to be able to receive & respond to stimulation from nerves.

Excitability (or Irritability)

100

Describe the injury levels (severity) of a muscular strain. (Name of each and what each means)

Grade I - Micro strain

Grade II - Partial tear (strain)

Grade III - Full tear/rupture

100

"How" Do Muscles Contract/Function?

MUSCLES PULL!!!!!

100

What is the definition of a Tendon?

Strong, fibrous connective tissue that acts as an anchor (attachment); connecting MUSCLE TO BONE 

100

What is the medical term that describes an injured tissue appearing black & blue?

Ecchymosis

200

What property describes the capability for a muscle to contract or shorten?

Contractibility 

200

What injury is characterized by a dull, achy pain, tenderness and mild swelling. Commonly occurring in the wrist, elbows, knees and/or ankles.

Tendonitis

200

Muscles come in a variety of what?

Shape & Sizes (or Forms)

200

What is the medical term that describes bleeding, swelling/redness & discoloration?

Edema

200

What does P.R.I.C.E. stand for? 

What is used for?

Protection
Rest
Ice
Compression
Elevation

- Used as a standard treatment for muscular injuries

300

What property described the ability for muscle tissue to be able to return to its original resting shape & length after contraction/lengthening?

Elasticity

300

Name the two functions of the muscles that relates to the cardiovascular system?

-Assist in movement of cardiovascular veins & lymph

-Maintains constant body temperature

300

What are the Three types of muscle tissues?

Skeletal

Smooth

Cardiac

300

What is the definition of Muscle Tone?

The partial state of contraction that muscle stays in, even at rest.

300

Name two important commonalities that happen with an acute injury.

(In other words, How do you know an injury is acute?)

Usually the result of a single traumatic event.

Results from a macro-trauma to the tissue. 

Easier to diagnose due to the clearer link between the cause and signs/symptoms.

400

What property describes how a muscle can be stretched without damage through the application of force?

Extensibility

400

Name three functions of muscle tissue that relate to joints and organs.

-Protection of Internal Organs 

-Movement of Joints

-Stabilization of Joints

400

What does "O, I, A, N" stand for?
(Full names!)

Origin

Insertion

Action

Nerve Innervation 

400

What is muscular atrophy and what can cause it?

Loss of muscle tone due to non-use.

This can occur with paralysis or other medical conditions.

400

Name two important commonalities that happen with an chronic injury.

(In other words, How do you know an injury is chronic?)

-Usually occurs over a longer period of time. 

-Results from repetitive microtrauma to the tissue.

-More challenging to diagnose due to not obvious/unclear link between the cause and signs/symptoms.


500

What property relates to the ability for muscle hypertrophy and/or atrophy to take place?

Adaptability

500

What is "DOMS"?

How do you get it?

When does it usually set in?

Delayed Onset Muscle Soreness

Common in individuals who engage in strenuous physical activity and are unaccustomed to exercise.

Typically peaks between 24-72 hours after exercise.

500

Muscles are made up of bundles of tiny contractile tissue. What are these tissue bundles called?

Muscle Fibers!

500

What is Fascia?

What does it do?

Name the one of the SPECIFIC AREAS that a lot of fascia is concentrated in.

Thin, fibrous membrane that covers every part of your body.

Function: supports & separates muscles.

3 Big Examples: Thoracolumbar Fascia, Abdominal Aponeuroses, Iliotibial Band

500

What condition is caused by a direct blow (impact) to the tissue causing bleeding underneath the skin?

What can result from the damage to the vascular structures due to continual hemorrhaging?

Muscle Contusion

Hematoma