Paper 1-Muscles

Question 1

Muscles, hip up

Answer 1

Latissimus dorsi, abdominals, pectorals, trapezius, bicep, tricep, deltoid.

Question 2

Muscles, hip down

Answer 2

Hip flexors, gluteals, hamstrings, quadriceps, gastrocnemius, tibialis anterior.

Question 3

What is a fixator?

Answer 3

-this is the muscle that stabilised the joint. It does not move but it contracts to stabilise the joint (and keep it where it should be).

Question 4

Antagonist muscles

Answer 4

-the antagonist muscle relaxes, this always gets longer.
-come in antagonistic muscle pairs.
-when one contracts and shortens(agonist) the other relaxes and lengthens(antagonist). E.g biceps and triceps.

Question 5

Agonist muscles

Answer 5

-agonist is the contracting muscle and will always get shorter.
-comes in antagonistic muscle pairs.
-when one contracts and shortens(agonist) the other relaxes and lengthens(antagonist).

Question 6

What are the three different types of muscles?

Answer 6

1. Cardiac muscle
2. Skeletal/voluntary muscle
3. Involuntary muscle