Anatomy and Physiology, chapter 9 (joints), hcc
Examples of special movements at synovial joints?
Crossing your arms when angry, rocking back on heels, and chewing a bite of hamburger
When you release a deep breath, your ribcage
Depresses
The mandible can perform which movements?
Depression, rotation, and retraction
A synovial joint is a
Diarthrosis in which the bones are attached by ligaments
Types of special movements at joints are
Dorsiflexion, protraction, and depression
A partial hip replacement involves replacement of the
Femur
Component of reconstructed knee joint of total knee replacement that is made of metal is
Femural
Which types of connective tissue can be part of a cartilaginous joint?
Fibrocartilage and hyaline cartilage
The meniscus of the TMJ is a
Fibrocartilage disc
Articulation in which the bones are tightly connected, with no space between them, by tissue that has thick bundles of collagen fibers is
Fibrous articulation
Articulation in the hip joint forms between the acetabulum of the pelvis and which part of the femur?
Head
Which bones might you find a synchondrosis?
Humerus and femur
The articulating surfaces of the bones in a symphysis are covered in
Hyaline cartilage
If the iliofemoral ligament is torn, which of the following movements of the femur may occur at the hip joint?
Hyperextension
In giving a piggyback ride, what movement would be performed at the shoulder joint?
Hyperextension
When you stand with your toes turned laterally, which ligaments help prevent lateral excessive lateral rotation?
Iliofemoral and pubofemoral
Hyperextension of the hip/coxal joint is prevented by the
Iliofemoral ligament
Where would you find the zona orbicularis?
In the articular cartilage of the hip.
Movement of the foot when you step on a small rock with the instep of your foot and your ankle rolls to the outside is
Inversion
Which ligaments help prevent over-rotation in the hip joint?
Ischiofemoral, iliofemoral, and pubofemoral
What do you know about an epiphyseal plate of a 4 year old girl?
It forms a synarthrotic joint, it is a cartilaginous joint, it is composed of hyaline cartilage, and it will eventually become a synostosis
The acetabulum labrum performs which function in the coxal joint?
It increases the depth of the articulation so dislocations are less likely
How is tension of the ischiofemoral ligament affected by abduction of the femur?
It increases.
Which ligaments are found in the TMJ?
Lateral and stylomandibular
When the femur is adducted the ischiofemoral ligament is
Looser than when the femur is abducted
This rotation of the knees brings the anterior surfaces of the legs closer together.
Medial rotation
In total hip replacement, the artificial head of the femur is made of
Metal, while the acetabular portion is made of plastic
Do all diarthroses move in the same way?
No, the type of movement varies by the joint
A partial knee replacement involves
One side of the knee joint, and includes the femur and tibia
In a pinching motion, what type of movement is demonstrated?
Opposition
Supination and pronation are examples of special movements in which the
Palm moves anteriorly and posteriorly, respectively.
When you get hit very hard on the chin, which type of dislocation is likely to occur?
Posterior displacement of the mandible
Criteria for categorizing joints structurally include
Presence of a synovial cavity and type of connective tissue
Extending your hand for a handshake is an example of
Protraction
Which movements would be affected by a tighter than normal lateral ligament?
Protraction and depression
When pouting, what movement occurs?
Protraction of the mandible
Which bones would you find a symphysis?
Pubis bones and between C4 and C5
Stretching between the pubic part of the pelvic rim to the neck of the femur, which ligament helps straighten the articular capsule of the hip joint?
Pubofemoral
Which ligaments found in the hip joint prevents overabduction of the femur?
Pubofemoral
A tear in which anular ligament may cause dislocation of the elbow joint at the proximal radioulnar joint?
Radial
The anular ligament helps hold which bones together?
Radius and ulna
When you sit cross-legged on the floor, your legs
Rotate laterally
Which action would shaking head "no" describe?
Rotation at the atlanto-axial joint
A amphiarthrosis joint is
Slightly movable and may be a fibrous joint or a cartilaginous joint
Elevation, pronation, and inversion are all types of
Special movements
Which factors help prevent dislocations at the coxal joint?
Strength of the articular capsule, strong ligaments connecting bones, muscles covering the joint, and depth of articulation
When positioning oneself in anatomical position, the hand undgoes
Supination
The bodies of vertebrae are connect by which types of joints?
Symphyses, amphiarthroses, and fibrocartilage
The joint between the manubrium and the body of the sternum is a
Symphysis
A joint that is functionally classified on the basis of the type of movement that it permits would be a
Synarthrosis
Which type of joint permits the least amount of movement?
Synarthrosis
What description can be provided for the joint between he epiphysis and diaphysis of a femur?
Synarthrosis, cartilaginous, and synchondrosis
In a growing child, which type of joint is found between the epiphysis and diaphysis of a long bone?
Synchondrosis
An articular capsule will be found on which types of joints?
Synovial and diarthrosis
Joint containing dense irregular connective tissue includes
Synovial and fibrous joints
Articulation in which there is a space between the bones, and the bones are connected to one another by ligaments is a
Synovial articulation
Diarthrosis fits into which structural classification?
Synovial joint
An anterior displacement dislocation of the tempromandibular joint can be caused by
Taking a very large bite of a apple
When the knee is extended, the
Tension in the hamstring muscles limits flexion of the hip joint
What becomes a synostosis in adulthood?
The joint between diaphysis and epiphysis of a long bone
In an 8 year old boy, what is true about the joints between the epiphysis and diaphysis of his left femur?
They are synchondroses and synarthrotic
In a 53 year old man, which type of joint description can be given to describe the joint between the epiphyses and diaphysis of his right humerus?
They are synostoses and synarthrotic
Part of which ligament functions to deepen the socket for the trochlea of the humerus?
Ulnar collateral ligament
When doing jumping jacks, which movements describes the series of movements performed?
Abduction and adduction of the arms and legs
Which movements occur when you lift your arm laterally away from your body at the shoulder joint?
Abduction and angular movement
What will be used to attach a titanium-alloy femoral component to the healthy part of the bone during a total hip replacement?
Acrylic cement
After leg amputation, what movement at the coxal joint might be increased based on that missing limb?
Adduction
Structural classification of a joint is based on
Anatomic features of the articulating bones and type of connective tissue
Flexion and extension are examples of what kind of movements that occur at joints like the knee and elbow?
Angular
Flexion, abduction, and circumduction are all examples of
Angular movements at synovial joints
Major categories of movement at synovial joints include
Angular, rotation, special, and gliding
The radial notch of the ulna holds the head of the radius. Which part of the elbow joint helps stabilize this articulation?
Anular ligament of the radius
Arthroplasty of the glenohumeral join might involve replacement of the
Articular surface of the scapula with polyethylene
Arthroplasty of the glenohumeral joint might involve replacement of the
Articular surface of the scapula with polyethylene
When the fingers are abducted, they move
Away from the middle finger
The fibrocartilage in a symphysis forms a
Broad disc to connect the articulating bones
An articulation in which two bones are directly connected by tissues containing chondrocytes could be
Cartilaginous
An articulation in which the bones are connected by fibrocartilage and there is no space between the bones is a
Cartilaginous articulation
A symphysis between the manubrium and body of the sternum is a
Cartilaginous joint and an amphiarthrosis
Which process on the temporal bone is connected to the neck of the mandible by the lateral ligament?
Zygomatic process