Homework #3

Question 1

when the origin of a muscle moves towards the insertion, this is called ____

Isokinetic contractions
PROM
Reversal of muscle action
Stretching techniques

Answer 1

reversal of muscle action

Question 2

the book links the feather arrangement of oblique fibered muscles to what old-fashioned writing utensil?

a quill
none of these
a expomarker
a type writer

Answer 2

a quill

Question 3

in what type of muscle is insufficiency usually a problem?

two-joint muscles
rhomboidal muscles
one-joint muscles
three-joint muscles

Answer 3

two-joint muscles

Question 4

active insufficiency occurs in the ______ muscle while that muscle is ______

Agonist/Contracting
Antagonist/Contracting
Agonist/Elongated
Antagonist/Elongated

Answer 4

agonist/contracting

Question 5

Passive insufficiency occurs in the _____________ muscle while that muscle is being ____________________.

Agonist/Elongated
Antagonist/Contracting
Antagonist/Elongated
Agonist/Contracting

Answer 5

antagonist/elongated

Question 6

why is an eccentric contraction often called a deceleration contraction?

The contraction is the fastest the body can perform.
The contraction works in a gravity minimized position
The contraction slows down the pull of gravity
The contraction speeds up gravity

Answer 6

the contraction slows down the pull of gravity

Question 7

when an agonist contracts at the same time as an antagonist, this is called what?

Reversal of muscle action
Co-contraction
Eccentric
Closed chain

Answer 7

co-contraction

Question 8

a closed kinetic chain requires that the distal segment is _____ and while proximal segment ____

Fixed/Fixed
Moves/fixed
Moves/Moves
Fixed/move

Answer 8

fixed/moves

Question 9

according to this definition, performance of a squat is a ____ kinetic chain activity

closed
open

Answer 9

closed

Question 10

explain all that are considered closed chain UE activity

pull ups
push ups
tricep dips
bench press

Answer 10

pull ups
push ups
tricep dips