bodies defense for dirt, bacteria, and germs. epidermis- outer most layer of skin dermis- thicker...
TRANSCRIPT
Bodies defense for dirt, bacteria, and germs.
Epidermis- Outer most layer of skin Dermis- Thicker layer below the
epidermis
Functions 1. Protect vital organs 2. Acted on by muscles to produce
movement.
Hinge joints- elbow and knee, they move back and forth.
Ball and socket joints- one end of the joint is in the shape of a ball, and the other end of the joint is a cuplike shape.
Function- absorb shock, allow smooth bone movement, and join structures.
Function- contraction of muscles allow for acceleration and deceleration of body.
Help maintain normal posture.
Connect muscle to bone
Connect bone to bone
Small, fluid filled sacs, located in joints. Provide extra cushion for the structures
located in the joint.
Soft-Tissue Bones
Sprain Strain Incision Abrasion
Contusion Laceration Avulsion Puncture
Injury to a ligament
Injuries to muscles or tendons
1st degree (mild)- some stretching, little pain, little swelling, no loss of motion.
2nd degree (moderate)- more stretching, some tearing, pain, swelling, and some loss of motion.
3rd degree (severe)- complete tear, severe pain, good deal of swelling, loss of motion.
An open wound made by a cutting object.
A cut caused by a non-cutting object.
Results from scrapping off a layer of skin.
Commonly called a bruise.
Cause: direct blow.
Signs/Symptoms: swelling and
discoloration.
The partial tearing away of a body part.
Occurs when a pointed object enters a body part.
Stage I-Acute Inflammatory
Stage II-Repair
Stage III-Remodeling
Dislocations Subluxations Fractures
When a force displaces the bones that make up a joint, so they no longer are aligned.
A partial dislocation, or one that does not remain unaligned.
Avulsion Stress Spiral Longitudinal Compression Oblique Comminuted
Greenstick Transverse Depressed Blowout Pathological Epiphyseal
When a ligament or tendon pulls so hard that the attachment point pulls part of the bone away.
Occurs when there is repetitive pounding / motion.
When a torque like force is applied to a bone, and the fracture starts at one end and works its way around the length of the bone.
A fracture that runs the length of a bone.
Occurs when opposite forces are applied to a bone at the same time.
When a bone fractures into pieces.
Occurs to bones that are not fully developed, and they only break part way through.
When a fracture occurs straight across a bone.
Usually occurs from a direct blow to the skull.
When the eye is pushed so hard into the back of the eye socket.
When a fracture occurs in the epiphysis (growth plate) of the bone.
Any fracture where the bone protrudes through the skin.
Pain Deformity Decrease or loss of motion Swelling Crepitis
Stage I-Acute Stage II-Repair Stage III-Remodeling