A&P 1-Ch. 8
Ulnar and radial collateral ligaments
elbow joint
What type of joint allows for the most movement between bones?
synovial joints
Lining of joint cavity; secretes fluid
synovial membrane
Torn or overstretched ligaments
to sprain
Walking on heels
dorsiflexion
Anular ligament
elbow joint
Synarthrotic joints are
immovable
What are the three classifications of joints based on movement?
Amphiarthrotic, Diarthrotic, Synarthrotic
A skeletal muscle is attached to bones on either side of a joint. The movable end of the muscle is called the ____ and the fixed end is called the ____.
Insertion; origin
Anterior and posterior cruciate ligaments
Knee joint
Intermittent disorder caused by bacterial infection
Lyme arthritis
The shoulder joint is a synovial joint that allows for different types of movement. Select all the movement types the shoulder joint allows.
Medial and lateral rotation Abduction and adduction Flexion and extension
gliding joint (aka plane joint)
Plane joint
What type of synovial joint involves two bone ends that each have both concave and convex regions?
Saddle (sellar) joint
Sellar joint
Saddle joint
What is the movement of a body part away from the midline in the frontal plane called?
abduction
Protective layer that covers bone ends
articular cartilage
Spheroidal joint
ball and socket
Fluid-filled sacs
bursae
Inflammation of fluid-filled sacs associated with a joint
bursitis
The joint stiffness that occurs with aging is typically due to changes in __________ within the joint.
collagen
With age, range of motion __________ in joints and the production of synovial fluid __________.
decreases; decreases
Doing a backbend
extension
When you sit in a chair with your feet on the floor, you have to __________ your hips and __________ your knees.
flex; flex
Bending the knee
flexion
Diarthrotic joints are
freely movable
Which of the following joints is the least stable?
glenohumeral (shoulder) joint
What two bony structures articulate to make the shoulder joint?
glenoid cavity of scapula and head of humerus
Iliofemoral and pubofemoral ligaments
hip joint
Changes in collagen in joints due to aging results in __________.
joint stiffness
Tibial and fibular collateral ligaments
knee 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 toward your other foot is called _______ rotation.
lateral and medial
Fibrocartilage discs within joint
menisci
Degenerative disorder of joints
osteoarthritis
Trochoid joint
pivot joint
Pointing toes
plantar flexion
Pushing jaw forward
protraction
Pulling head backward
retraction
Inflammation of a joint due to autoimmune condition
rheumatoid arthritis
The transverse humeral ligament, glenohumeral ligaments, and coracohumeral ligament are important in maintaining the stability of the ___________ joint.
shoulder
Transverse humeral ligamen
shoulder joint
Amphiarthrotic joints are
slightly movable
Which of the following is an example of a fibrous joint?
sutures of the skull
Cartilaginous joints include __________ and __________.
synchondroses and symphyses
