Classifying Joints
What are the 3 anatomical (structural) classes of joints?
Fibrous, Cartilaginous, & Synovial
Double Jeopardy: You will earn an EXTRA 100 points if you get this correct.
What is the Peg-in-Socket joint; it holds tooth in socket of the mandible or maxilla?
Gomphoses/Fibrous
Articulating bones are united by (blank).
Thick pad of Cartilage
All synovial joints are (blank)
Diarthrotic (freely movable)
This movement decreases the angle of the joint and reduces the distance between the two bones.
How do synarthrotic joints differ from diathrotic joints?
Synarthrotic are immovable; diathrotic are freely movable.
The type of fibrous joints found in your skull are called?
Sutures
The physiological name for a cartilaginous joint is?
Amphiarthroses
This fluid acts as a lubricant, reducing friction
Synovial Fluid
Elevating the soles of your feet outward so your big toe is down is called...?
Elevating the soles of your feet inward so your big toe is up is called...?
Eversion
Inversion
What are the 6 types of synovial joints?
Plane, Hinge, Pivot, Condylar, Saddle, & Ball-and-Socket
Fibrous joints are held by (blank)
Fibrous Connective Tissue and Collagen
Which is an example of a cartilaginous/amphiarthroses joint?
a. Ribs and sternum
b. teeth and mandible
c. femur and tibia
a. Ribs and sternum
Name 2 out of the 3 factors affect the stability of synovial joints?
Shapes of articular surfaces, number & positioning of ligaments, and muscle tone
During (blank), the radius and ulna are parallel; however, during (blank), the radius and ulna form an X
Supination; pronation
Amphiarthrosis and the pubic symphysis are considered (freely, slightly, immovable) joints?
slightly movable joints (amphiathrotic)
Synarthroses
How do cartilaginous joints differ from amphiarthrosis joints?
They do NOT. Cartilaginous joints refers to the structural classification and amphiarthrosis refers to the functional classification.
Synovial joints are the least/slightly/most movable joints in the human body?
most
Sticking your tongue out is an example of...?
Pulling your tongue back in is an example of...?
Protraction
Retraction
Freely movable joints are mainly found in the (axial/appendicular); immovable or slightly movable joints are found in the (axial/appendicular).
appendicular skeleton (limbs); axial skeleton
Which joint is classified as fibrous?
a. Pubic Symphysis
b. Atlas and Axis
c. Temporal and Parietal bones
c. Temporal and Parietal bones
Which cartilaginous joint is temporary and found only in growing long bones?
Identify the type of synovial joint each example below is:
a. humerus and scapular(shoulder)
b. radius/ulna and carpals (wrist joint)
c. tarsal bones
a. ball and socket
b. condyloid
c. plane or gliding
The synovial movement of your appendages while performing jumping jacks are considered to be...?
Abduction and Adduction