Soc 14-muscular system

Question 1

What are the three groups a muscle an fall into?

Answer 1

1. Volentary
2. Involentary
3. Cardiac

Question 2

What are voluntory muscles?

Answer 2

Muscles that are under your control-you can choose when to contract and relax them.

Question 3

What is a pair of muscles called?

Answer 3

Antagonistic pairs

Question 4

What are characteristics of voluntary muscles?

Answer 4

-cylinder fibres they are usually long and think but ger shorter and fatter when contracted.

Question 5

What are the 3 categories of body?

Answer 5

• ectomorph
• mesomorph
• endomorph

Question 6

Where is the Deltoid muscle and what is its function?

Answer 6

Location:rounded triangular muscle on the upper most part of the arm at the top of the shoulder.

Function: moving the arm in all dorections at the shoulder.

Question 7

Where is the Pectoralis major muscle and what is its function?

Answer 7

Adduct the arm at the shoulder

Question 8

What is the name of muscles that work together?

Answer 8

Antagonistic pairs

Question 9

What are antagonistic pairs?

Answer 9

Mislces arranged in twos where one muscle contracts and the other relaxes.

Muscles that work together to create movement

Question 10

What are the three antagonistic pairs that I need to know?

Answer 10

1. Bicep and tricep
2. Hamstring and quadricep
3. Gastrocnemius and tibialis anterior

Question 11

What is the muscle doing the work called?

Answer 11

Agonist

Question 12

What muscle allows you to extend your leg?

Answer 12

The quadricep

Question 13

Muscles can only ____ they CANT PUSH

Answer 13

Pull

Question 14

What is the two types of muscle fibres?

Answer 14

• fast twitch fibres

- slow twitch fibres

Question 15

What is myoglobin?

Answer 15

A pigment that transports oxygen to the muscles.

Question 16

Where is the deltoid located?

Answer 16

Rounded, triangular muscle on the uppermost part of the arm and at the top of the shoulder.

Question 17

What is the deltoid’s function?

And example in sport:

Answer 17

Move the arm in all directions at the shoulder

Serving in tennis

Question 18

What is the bicep’s function?

And example in sport:

Answer 18

Flex the arm at the elbow

Example:Chin-up, drawing a bow in archery

Question 19

What is the Pectoralis major’s function?

And example in sport:

Answer 19

Adduct the arm at the shoulder

Example: Forehand drive in tennis

Question 20

What is the Latissimus dorsi’s function?

And example in sport:

Answer 20

Adduct and extend the arm at the shoulder

Example: butterfly stroke in swimming

Question 21

Where is the bicep located?

Answer 21

Front of the arm

Question 22

Where is the Pectoralis major located?

Answer 22

Covering the chest

Question 23

Where is the Latissimus Dorsi located?

Answer 23

Broad sheet of muscle that extends from the lower region of the spine to the bone in the upper arm( humerus)

Question 24

What is the triceps’ function?

And example in sport:

Answer 24

Extend the arm at the elbow

Example: press-up, throwing a javelin

Question 25

What is the External obliques' function? And example in sport:

Answer 25

Function: pull the chest downwards; flex and rotate the spinal column; one side contracting creates a side bend Example: crunches in the gym

Question 26

What is the Gluteus maximus' function? And example in sport:

Answer 26

Adduct and extend leg at the hips, pull the leg backwards Example: pilling back leg before kicking a ball

Question 27

What is the hip flexor's function? And example in sport:

Answer 27

Function: flex the hip, help move the leg and knee up towards the body Example: lifting knees high in sprinting

Question 28

What is the tricep's location?

Answer 28

Back of the upper arm

Question 29

Where is the location of the external obliques?

Answer 29

To side of the abdomen, running from the lower half of the ribs down to the Pelvis

Question 30

What is the location of the Gluteals?

Answer 30

Form the buttocks. Gluteus maximus( the largest) lies just under the skin, and is attached to the femur(thigh bone)

Question 31

What is the loaction of the hip flexors?

Answer 31

Sit deep in the front of the hip and connect the leg, pelvis and abdomen.

Question 32

What is the location of the Quadriceps

Answer 32

Four muscles found on the front on the upper leg

Question 33

What is the Quadricep's function? And example in sport:

Answer 33

Extend the leg at the knee Example: kicking a ball, jumping upwards

Question 34

What is the hamstring's function? And example in sport:

Answer 34

Flex the leg at the knee Example: bending knee before kicking a ball

Question 35

What is the Gastrocnemius' function? And example in sport:

Answer 35

Function: point the toes downwards(plantar-flexes the ankle), help flex the knee. Example: running

Question 36

What is the Tibialos anterior function? And example in sport:

Answer 36

Function: pull the toes up towards the shin(dorsi-flexes the ankle)

Question 37

What is the Tibialis anterior location?

Answer 37

Runs down the shin

Question 38

What is the location of the hamstrings?

Answer 38

Found on the back of the leg, stretching from the bottom part of the pelvis to the tibia( the shin bone)

Question 39

Where is the Gastrocnemius located?

Answer 39

Starts at the back of the femur and comes together with the soleus muscle to form the Achillies tendon at the back of the ankle

Question 40

What is the name of the fast and slow twitch fibres?

Answer 40

Slow twitch(type 1) Fast twitch (type 2a and 2x)

Question 41

What are antagonistic pairs?

Answer 41

Muscles that work together to create movement

Question 42

What are slow twitch fibres?

Answer 42

Type 1-dark in colour because of myoglobin(transports oxygen to muscle) and have a good oxygen supply

Question 43

What are fast twitch fibres?

Answer 43

Type 2a and 2x: lighter in colour because they don't use oxygen to make energy

Question 44

What is the bone thats moved called?

Answer 44

The point of insertion

Question 45

What is the bone that doesn't move called?

Answer 45

The point of origin

Question 46

When the deltoid is contracting and causing shoulder abduction,which muscle is acting as the antagonist?

Answer 46

Latissimus Dorsi

Question 47

The _____ grab on to one another to cause a muscle to contract,these are found inside the muscle fibres

Answer 47

Myofibril

Question 48

Characterisitics of involentary muscles?

Answer 48

Not under our control,contract and relax automatically, controlled by the involentary nervous system

Question 49

Characteristics of cardiac muscles

Answer 49

-found on the wall of the heart | Made up on interlaced fibres

Question 50

What does the antagonist muscle do?

Answer 50

Relax