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1.2.4 GCSE PE Muscular System

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by

Liam Greany

on 7 September 2015

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Transcript of 1.2.4 GCSE PE Muscular System

Muscles for Movement


Learning Objectives
To name the three TYPES of Muscle and their FUNCTION in the body.
(Grade C)

To identify and explain the function of the eleven voluntary muscles.
(Grade B-C)

To describe & explain how Antagonistic pairs work together & provide sporting examples.
(Grade B)
6. Describe and explain how movement occurs at the elbow joint. (4 Marks)

In your answer try to include the following terms:

Bicep Tricep Flexion

Extension Contracts Relaxes

Shortens Lengthens


Agonist Antagonist
Exam Questions (B Grade)
Q1. Which muscle is contracting to allow the cyclist in the photo to flex his leg at the knee? (1 mark)


Exam Question (C Grade)
TENDONS
Task 2 - Muscle for Movement
Q2. Which muscle is contracting to allow Jonny Wilkinson in the photo below to extend his leg at the knee? (1 mark)
The 3 Functions of Muscles

Three Types of Muscle

Voluntary/Skeletal

Muscles
Involuntary/Smooth

Muscles
Cardiac
Muscle/The
Heart


The body's involuntary muscles work our internal organs.

They are outside our control.

Examples
- Stomach
- Gut
- Intestines

Involuntary Muscle


Voluntary or Skeletal

These muscles are controlled by conscious messages from the nervous system:



1. Biceps
2. Triceps
3. Deltoids
4. Abdominals
5. Gastrocnemius
6. Trapezius
7. Latissimus Dorsi
8. Gluteals
9. Pectorals
10. Quadriceps
11. Hamstrings

Cardiac Muscle

Cardiac muscle is unique to the

HEART.


It never tires.


Fast Acting - Powerful - Eventually Will Tire
Movement


Circulation

Body Shape
CARTILAGE

LIGAMENTS

Exam Questions (A/B Grade)
Q 7. Describe and explain the term ISOTONIC and relate it to a sporting action.
(2 Marks)

Q 8. Describe and explain the term ISOMETRIC and relate it to a sporting action.
(2 Marks)

Flexion & Extension
Rotation
Abduction & Adduction
Antagonistic Pairs
Ligaments, Tendons
& Cartilage
Isotonic Muscle Contractions
Isometric Muscle
Contractions
Agonist & Antagonist


1
2
3
4
5
6
7
8
9
10
11
Task 1
Antagonistic Pairs
- Attach MUSCLE to BONE
- PREVENTS the bone wearing away.
- Attach BONE to BONE
STARTER ACTIVITY
Q3. Which of the following is the correct muscle type for the bicep:

A. Voluntary
B. Fast twitch
C. Slow twitch
D. Involuntary (1 mark)
Q4. When contracting the gastrocnemius:

A. Straightens the arm at the elbow
B. Bends the leg at the knee
C. Points the toes
D. Flexes the abdomen (1 mark)
Q5. State the difference between voluntary and involuntary muscle
(PAIRED DISCUSSION)

(2 marks)
LEARNING REVIEW
VERBAL LEARNING REVIEW
Isotonic





Isometric
Muscle Contractions
Full transcript