Chapter 7 Flashcards
Name and describe the three classes of joints based on structure
Fibrous-no joint cavity, joint held together with fibrous c.t.
Cartialgnous-joint held together with cartilage
Synovial-bones held together by ligaments
It is a place where bones meet
Articulation
Synarthrosis
Immovable joints
Amphiarthrosis
Slightly movable
Diarthrosis
Freely movable
Slightly movable joint
Amphiarthrotic
Structures between skull bones are examples
Synarthrotic
Freely movable joints
Diarthrotic
Discs between vertebrae are examples of
Amphiarthrotic
Attachment of a tooth to its socket in the mandible or maxilla
Synarthrotic
Immovable joints
Synarthrotic
More movable than a suture but less mobile than a joint like the elbow
Amphiarthrotic
The symphysis pubis is an example
Amphiarthrotic
The distal end of the tibia/fibula is an example
Amphiarthrotic
The epiphysial plate in growing bone is an example
Sinarthrotic
Hyaline cartilage that covers ends of articulating bones
Articulate cartilage
It lubricates the joints and nourishes the cartilage
Synovial fluid
Inner layer of the articulate capsule that produces synovial fluid
Synovial membrane
Pad of cartilage to help stabilize the joint
Meniscus
Together these form the articular capsule (2 answers)
Fibrous capsule
Synovial membrane
Fluid filled sac that cushions movements
Bursa
The joint allowing for the greatest degree of movement
Ball and socket
Flat surfaces of the carpals of tarsus move move across each other
Gliding
The joint at the wrist between the radius and carpals
Condyloid
Moves in a single plane at the knee or elbow
Hinge
The joint between the carpals and the metacarpal of the thumb
Saddle
The rounded head of the radius moves within the radio notch of the ulna
Pivot
Movement of bone around its own axis
Rotation
Movement away from the midline of the body
Abduction
Palm faces upward or forward
Supination
Downward movement of a body part
Depression
Movement toward the body midline
Adduction
Movement of the mandible or shoulder backward
Retraction
Turning the palm so it faces downward or backward
Pronation
Upward movement of a body part
Elevation
Movement of a distal end of body part in a circle
Circumduction
Beyond the plane of extension
Hyperextension
Movement of the sole of the foot inward
Inversion
Movement of the foot so the toes point downward
Plantarflexion
A joint that has a _____ fit offered a great amount of movement and is ______ likely to become dislocated
Loose
More
An example of a fibrous joint in Heinrich the bones are immovable is a..
Suture
Pulling out a tooth would disarticulate which type of joint?
Gomphosis
Which the following is NOT a function of synovial fluid?
Acts as a lubricant
Helps strengthen the joint
Removes microbes and debris from the joint
Provides nutrients to the tissues around the joints
Removes metabolic wastes
Helps strengthen the joint
Articular cartilage and bursae would most likely be found in which of the following?
The knee
Which of the following structures provides flexibility to a joint while also preventing dislocation?
Articular capsule
The joints between the vertebrae and the joint between the hip bones are examples of which joint type?
Symphysis
The joint between the atlas and axis
Pivot joint
Allows gliding movements
Planar joint
The joint. Between the carpal and metacarpal of the thumb
Saddle joint
Hip joint
Ball and socket joint
Knee joint
Hinge joint
