Chapter 8 Flashcards
What is a synathrosis joint
No movement
What is gomphosis joint
Binds teeth to sockets
What is a diathrosis joint
Freely moveable
What is a amphiarthrosis joint
Little movement allowed
What secretes synovial fluid
Synovial membrane
What is a bursa
Small pocket filled with synovial fluid. Reduces friction
What is a meniscus
Pad of fibrocartilage between bones in a joint
What is the difference between a capsular ligament and a extrinsic ligament
Capsular is within the joint
Extrinsic is separate from the joint
What is a luxation
Dislocation.
What is flexion and extension
Flexion is a movement that decreases the angle of the joint
Extension is a movement that increases the angle
What is an upward movement with the foot called
Dorsiflexion
What is it called when you stand on your tip toes
Plantar flexion
What’s the difference between adduction and abduction
Abduction is movement away from axis. Spreading fingers apart
Adduction is the opposite. Put fingers together
What is a herniated disc
Nucleus breaks through and protrudes into vertebral canal
What Is osteopenia
Inadequate ossification leading to loss of bone mass
What is osteoporosis
Bone loss that affects normal function
What joint has the greatest range of motion
The shoulder joint
What forms the hip joint
Head of femur into the acetabulum
What’s the difference between mcl and lcl
Mcl is medial support and lcl is lateral support
What is the popliteal ligaments
Run between femur and heads of tibia/fibula
What is osteoarthritis
Degenerative arthritis brought upon general wear and tear on joints