Muscular System

Question 1

When the deltoid contracts it causes…

Of which joint?

Answer 1

Abduction/flexion/circumduction/extension of the shoulder

Question 2

When the bicep contracts it causes…

In which joint?

Answer 2

Flex ion of the elbow

Question 3

When the tricep contracts it causes…

In which joint?

Answer 3

Extension of the elbow

Question 4

When the external obliques contract they cause…

In which joint?

Answer 4

Rotation in the vertebral column

Question 5

When the latissimus dorsi contract they cause…

In which joint?

Answer 5

Addiction of the shoulder

Question 6

When the hip flexor contracts it causes…

In which joint?

Answer 6

Flexion of the hip

Question 7

When the gluteus Maximus contracts it causes…

Of which joint?

Answer 7

Extension of the hip

Question 8

When the quadriceps contract they cause…

In which joint?

Answer 8

Extension of the knee

Question 9

When the hamstring contracts it causes…

Of which joint?

Answer 9

Flexion of the knee

Question 10

When the gastrocnemius contract it causes…

In which joint?

Answer 10

Plant-flexion in the ankle

Question 11

When the tibialis anterior contract it cause…

In which joint?

Answer 11

Dorsi-flexion in the ankle

Question 12

When the pectorals major contract it causes…

In which joint?

Answer 12

Horizontal flexion in the shoulder

Question 13

Muscles can only

Answer 13

Pull not push

Question 14

Agonist

Answer 14

The muscle out of the antagonistic pair that contracts during a movement

Question 15

Antagonist

Answer 15

The muscles out of the antagonistic pair that relaxes during a movement

Question 16

The action of antagonistic pairs cause

Answer 16

A movement at a joint

Question 17

Involuntary muscles with one characteristic of them

Answer 17

Work on their own such as the heart

They are very resistant to fatigue because they have many mitochondria

Question 18

Skeletal muscles

Characteristics

Answer 18

The are voluntary and therefore become fatigued quickly

They are used for movement

Question 19

Type llx muscle fibres

Answer 19

Contract quickly
Tire quickly
Used at maximum power for short period of time
Example is weightlifting

Question 20

Type lla muscle fibres

Answer 20

Contract quicker than type l but slow than llx
Used at a medium intensity for a medium period of time
Example is midfielder

Question 21

Type l muscle fibres

Answer 21

Contract slowly
Slow fatigue 
Slow twitch
High level of endurance due to producing a small amount of power
Example is marathon runner