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