A&P1 Chapter 8
Within joints called synchondroses the bone ends are held together by
Hyaline cartilage
What type of joint allows for the most movement between bones
synovial joints
Complete the sentence of the type of fibrous joint A fibrous joint between bones of the skull is called a ______ The joint occurring between the distal end of the tibia and fibula held together by a band of collagen is called a sydensmosis _____ The joint that anchors a tooth in its socket involves the fibrous periodontal ligament. This joint is a _____.
A fibrous joint between bones of the skull is called a SUTURE The joint occurring between the distal end of the tibia and fibula held together by a band of collagen is called a sydensmosis SYNDESMOSIS The joint that anchors a tooth in its socket involves the fibrous periodontal ligament. This joint is a GOMPHOSIS
Pulling away from the body or midline
Abduction
What is the movement of a body part away from the midline in the frontal plane called
Abduction
Pulling toward the body or returning to midline position
Addiction
Choose the joint characteristics that applies to all joints in the body
All joints are connections between neighboring bones
Name the ligament that holds the head of the radius in place with the elbow joint
Anular ligament
What type of synovial joint involves one bone end with a globular head that fits into a cup shaped cavity on the other bone end?
Ball-socket-(spheroidal) joint
Where are joints called sutures found?
Between the flat bones of the skull
The joint stiffness that occurs with aging is typically due to changes in ____ within the joint
Collagen
The pubis symphysis is an example of a ____ joint
Cartilaginous
What type of synovial joint involves a raised ovoid surface on one bone fitting into an ovoid depression on the other bone?
Condylar (ellipsoidal) joint
Joints are classified structurally according to the ____ that binds them, and functionally according to their ____
Connective tissue; degree of motion
With age, range of motion _____ in joints and the production of synovial fluid ____
Decreases; decreases
The outer covering of a joint capsule is comprised of ____. The inner lining is comprised of ____.
Dense connective tissue; loose connective tissue
Joints classified according to their movement Diarthrotic joints are Synarthrotic joints are Amphiarthrotic joints are
Diarthrotic joints are FREELY MOVABLE Synarthrotic joints are MOVEABLE Amphiarthrotic joints are SLIGHTLY MOVABLE
Within a joint called a symphysis the bone ends are held together by
Fibrocartilage
Match the sutures to the synovial joints Fibrocartilage discs within joint Fluid filled sacs Lining of joint cavity; secretes fluid Protective layer that covers bone ends
Fibrocartilage discs within joint MENISCI Fluid filled sacs JOINT CAPSULE Lining of joint cavity; secretes fluid SYNOVIAL MEMBRANE Protective layer that covers bone ends ARTICULAR CARTILAGE
When you reach up to scratch you nose you have to _____ your elbow
Flex
Bending of the joint
Flexion
What type of synovial joint involves a convex surface of one bone fitting into the concave surface of another
Hinge joint
While standing, twisting your lower limb at the hip so that your toes point off to the side is called ____ rotation. Twisting your lower limb at the hip so that your toes point towards your other foot is called ____ rotation.
Lateral; medial
Describe the location of synovial membranes
Lining of joint capsules
What type of synovial joint involves two flat or nearly flat bone surfaces?
Plane joint
What type of synovial joint involves two bone ends that each have both concave and convex regions
Saddle (sellar) joint
The transverse humeral ligament, glenohumeral ligaments and coracohumeral ligament are important in maintaining the stability of the ___ joint
Shoulder
Be able to identify a picture of the fibular collateral ligament
The ligament runs from the femur to the fibula on the lateral side of the knee
Which of the following is an example of a fibrous joint
The suture in the skull
Be able to identify a picture of the tibial collateral ligament
This collateral ligament extends from the femur to the tibia
Be able to identify a picture of the articular surface of the femur !!!
This is the joint surface of the superior bone of the knee joint
Be able to identify a picture of the anterior cruciate ligament
This ligament extends from the anterior portion of the intercondylar area of the tibia to the lateral condyle of the femur
Be able to identify a picture of the posterior cruciate ligament
This ligament runs from the posterior intercondyle area of the tibia to the medial condyle of the femur
Doing jumping jacks requires that you alternate ______ and _______ your lower extremities.
abducting; adducting
Joints in which the bone ends are bound together by hyaline cartilage or fibrocartilage are classified as:
cartilaginous joints
Straightening of the joint
extension
What class of joint consists of bone ends held together by collagenous tissue?
fibrous
The presence of a joint capsule is associated with what type of joint?
synovial