Joints And Articulations Flashcards
How are skeletal joints classified?
They are classified according to their structural and functional characteristics.
What are the 3 classifications of joints?
- Fixed (fibrous)
- Cartilaginous
- Synovial
What is an example of a fixed joints?
Cranium
What is an example of a cartilaginous joints?
Between vertebrae
What is an example of a synovial joints?
Knee, shoulder and wrist
What are the characteristics of synovial joints?
- Highest degree of movement
- Amount of movement is dependent upon the type of joint e.g hinge or b-a-s
- features : Ligaments, tendons, cartilage, synovial fluid, joint capsule
What are ligaments?
They connect bone to bone and stabilise the joint.
What is a tendon?
They connect bone to muscle and enable movement.
What is articular cartilage?
Hyaline cartilage covers the articulating surfaces, reduces friction and acts as a shock absorber.
What is synovial fluid?
Fluid that lubricants the joint and nourishes the articular cartilage.
What is a Joint capsule?
A fluid-filled space that separates the articulating bones.
What are the types of synovial joints?
Gliding Hinge Pivot Ball and socket Ellipsoid
What is an example of a gliding synovial joint?
Vertebrae
What is an example of a hinge synovial joint?
Elbow
What is an example of a pivot synovial joint?
Neck
What is an example of a ball and socket synovial joint?
Hip
What is an example of a ellipsoid synovial joint?
Wrist
What 2 movements does a hinge joint allow?
Flexion and extension
How many planes does hinge joints allow?
1
E.g knee, elbow and ankle
Is a ball and socket joint more or less open?
It is a more open joint
How many planes does a ball and socket joint allow?
It allows up to four planes
What joints can perform flexion?
Shoulder Elbow Wrist Hip Knee
What joints can perform extension?
Shoulder Elbow Wrist Hip Knee
What joints can perform horizontal adduction?
Shoulder
What joints can perform horizontal abduction?
Shoulder
What joints can perform abduction?
Shoulder
Hip
What joints can perform adduction?
Shoulder
Hip
What joints can perform rotation?
Shoulder
Hip
What joints can perform circumduction?
Shoulder
What joints can perform pronation?
Radio-Ulnar
What joints can perform supination?
Radio-Ulnar
What joints can perform lateral flexion?
Spine
What joints can perform Dorsi flexion?
Ankle
What joints can perform plantar flexion?
Ankle
What is the name of the skull?
Cranium
What is the name of the collarbone?
Clavicle
What is the name of the spine?
Vertebrae
What is the name of the shoulder?
Scapular
What is the name of the bone that runs on the front of the ribs?
Sternum
What is the name of the bones that protect the organs?
Ribs
What is the name of the bone in the upper arm?
Humorous