Chapter 3 Misc

Question 1

Extrinsic

Answer 1

Separate structures

Question 2

Intrinsic

Answer 2

Thickening of the outer layer of the joint capsule

Question 3

“Open Chain” movements

Answer 3

Occur when the distal segment of a joint moves in a space

Question 4

“Closed Chain” movements

Answer 4

Occur when the distal segment of the joint is fixed in a space

Question 5

“Closed pack” Position

Answer 5

When there is a congruency of the joint surfaces and maximal tautness of the joint capsule and ligaments

Question 6

“Open pack” position

Answer 6

Position when there is the least joint congruency and the joint capsule and ligaments are most loose.

Question 7

Aponeurosis

Answer 7

When the tendon is flat and broad

Question 8

The origin

Answer 8

The attachment that is usually more stationary and proximal

Question 9

The Insertion

Answer 9

The muscle attachment located on the bone that moves more and is usually located more distally

Question 10

Prime mover

Answer 10

When a muscle or a group of muscles is responsible for the action or movement

Question 11

Antagonist

Answer 11

Opposing group of muscles of the agonist (prime mover). Antagonists relax to permit the primary movement and contract to act as a brake at the completion of he movement

Question 12

Synergists

Answer 12

Role is to prevent unwanted movement, which helps the prime movers perform more efficiently. Can also act as fixators or stabilizers