UCCS A&P VAP 8.1-8.11

The movement of rotating a limb toward the anterior surface of the body is called

medial rotation (or internal rotation)

_____________ subdivide synovial cavities, channel the flow of synovial fluid, and allow for variations in the shapes of the articular surfaces.

menisci

Movement in anterior/posterior plane that increases the angle between articulating elements past the anatomical position is called ___________.

Hyperextension

What is the function of the annulus fibrosus?

Its collagen fibers attach the intervertebral disc to the bodies of adjacent vertebrae.

Describe the nucleus pulposus and annulus fibrosus of an intervertebral disc.

The nucleus pulposus is a soft, elastic, gelatinous core and the annulus fibrosus is a tough outer ring of fibrocartilage.

The articular cartilage damaged by osteoarthritis is characterized by ________________.

a rough network of bristly collagen fibers.

A rim of fibrocartilage in the joint cavity of the hip is called the

acetabular labrum

The ligaments that limit the anterior-posterior movement of the femur and maintain the alignment of the femoral and tibial condyles are the __________ ligaments.

cruciate

A freely movable joint is a(n)

diarthrosis

The shoulder joint, or ____________ joint, permits the greatest range of motion of any joint.

glenohumeral

Which of the following is not a function of synovial fluid?

increases osmotic pressure within joint

To pinch with a thumb and finger involves a movement called

opposition

_______________ is also known as the degenerative joint disease.

osteoarthritis

Which bone-associated structure is continuous with the capsule of the joint, adding strength and helping to stabilize the joint?

periosteum

Which type of joint is found between the carpal bones?

plane

The weakening of which primary vertebral ligament may result in the condition called bulging disc?

posterior longitudinal ligament

Which joint attaches the pectoral girdle and upper limb to the axial skeleton?

sternoclavicular joint

An immovable joint is a(n)

synarthrosis

The elbow joint is extremely stable because

the ulna and humerus interlock

The medial surface of the knee joint is reinforced by the ____________ ligament.

tibial collateral