Ch 8: Contraction Types

Question 1

Types of contractions

Answer 1

Isotonic

Isokinetic

Question 2

What’s isotonic contraction?

Answer 2

3 types of movements

• concentric
• eccentric
• isometric

Question 3

What is isokinetic movement?

Answer 3

Same speed of movement no matter how much effort is used

Question 4

Differentiate between the 3 different iso-movements

Answer 4

Isokinetic: same speed regardless of effort
Isotonic: three different types of movements
Isometric: static contraction

Question 5

Differentiate between three different isotonic contractions.

Answer 5

Concentric: shortening contraction
Eccentric: lengthening contraction
Isometric: static contraction

Question 6

This muscle is the primary mover

Answer 6

Agonist

Question 7

These muscles are the synergists

Answer 7

Stabilizers and neutralizers

Question 8

These muscles oppose the primary movers

Answer 8

Antagonists

Question 9

These muscles all create the same movement

Answer 9

Cocontractors

Question 10

These muscles contract to keep something from moving (i.e. scapula)

Answer 10

Stabilizers

Question 11

When two or muscles contract and allow only a third movement

Answer 11

Neutralizers

Question 12

These muscles cross two articulations

Answer 12

Biarticular