D muscles

• Biologie
• Middelbare school
• vwo
• Leerjaar 1

D muscles

Planning

Week	Maandag	Donderdag
27 jan	D Muscles	Uilenballen uitpluizen
3 feb	Herhaling	Toets

Today's planning

1. Recap: C Bone connections 

2. Instruction muscles 1.0

3. Make: D muscles, ex. 1

4. Instruction muscles 2.o

5. Make: D muscles, ex. 2, 3 and 4

6. Write down the things you find difficult/do not understand yet

Which connection do you find between the ribs
and the breast bone?

1. Fused
2. Suture
3. Cartilage
4. Joint

Which connection is most flexible?

1. Fused
2. Suture
3. Cartilage
4. Joint

Which joint is most flexible?

1. Pivot (lower arm)
2. Hinge (finger)
3. ball-and-socket (hip)

Look at the X-ray of this joint. What is the name of this type of joint?

1. Pivot joint
2. Hinge joint
3. Ball-and-socket joint
4. Knee joint

PIVOT 

HINGE

BALL-AND-SOCKET

Muscles 

Match the names with the numbers 

Triceps

Quadriceps

Calf muscle

Shin muscle

Hamstring

Biceps

Back muscle 

Abdominal muscle 

   1

   2

   3

4

5

7

  6

  8

Answers 

Two types of movement

1. Involuntary movement 

2. Voluntary movement 

Involuntary movement

movement we cannot control

Example: heart beat

Voluntary movement

movement we can control 

Example: stretching or bending your arm

Important: the muscles we use for voluntary movement are called: skeletal muscles 

Why the name skeletal muscles?

Skeletal muscles are attached to (=zitten vast aan) the bones. They are connected through tendons. 

Today's planning

1. Recap: C Bone connections 

2. Instruction muscles 1.0

3. Make: D muscles, ex. 1

4. Instruction muscles 2.o

5. Make: D muscles, ex. 2, 3 and 4

6. Write down the things you find difficult/do not understand yet

Muscles at work

Because muscles can only contract, They work in pairs.

• Example: Biceps and Triceps in the upper arm
• They are called: ANTAGONISTIC PAIRS

       - they each do the opposite of the other

The muscles in your small intestines are ...

1. voluntary muscles
2. involuntary muscles

Skeletal muscles are voluntary muscles

1. true
2. false

The muscles in your tongue are ...

1. voluntary muscles
2. involuntary muscles

Marathon runners have a lot of ... in their muscles

1. fast-twitch fibres
2. slow-twitch fibers

What is a antagonistic pair?

1. a place where two bones meet
2. muscles that work together
3. Tendons and ligaments