Ch. 11 Muscles

Question 1

Less moveable attachment of a muscle

Answer 1

Origin

Question 2

More moveable attachment of a muscle

Answer 2

Insertion

Question 3

Circular muscles: _________ arranged fascicles

Answer 3

Concentrically

Question 4

Circular muscles create a _________

Answer 4

Sphincter

Question 5

Parallel Muscles: Fascicles run parallel to muscles long _______

Answer 5

Axis

Question 6

___________ Muscles: Fascicles merges toward a common attachment site

Answer 6

Convergent

Question 7

_______ Muscles: fascicles are organized as if part of a large fiber

Answer 7

Pennate

Question 8

Three subtypes of pennate muslces:

Answer 8

1. Unipennate
2. Bipennate
3. Multipennate

Question 9

____-Pennate: All fibers on the same side of tendon

Answer 9

Uni

Question 10

____-Pennate: Fibers on both sides of tendon

Answer 10

Bi

Question 11

____-Pennate: Tendon branches within muscle

Answer 11

Multi

Question 12

Prime mover, muscle that contracts to produce movement

Answer 12

Agonist

Question 13

Muscle whose contraction opposes that of the agonist. Allows for smooth movement w/ controlled speed

Answer 13

Antagonist

Question 14

Muscle that assists agonist by contributing tension or stabilizing point of origin (acting as fixators)

Answer 14

Synergist

Question 15

Rotator Cuff Muscles

Answer 15

Subscapularis
Supraspinatus
Infraspinatus
Teres Minor