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