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Physical Education

 Essay about Physical Education

Physical Education 2014

Terms and Definitions

Agonist and Antagonist – these are terms for muscle groups, which work in pairs.

Agonist – is definitely the muscle, which is the prime ocasionar and creates the initial actions via compression e. g. the bicep is the antagonist muscle, when you pull your arm in your direction bending with the elbow. Villain – is definitely the muscle, which usually relaxes to allow the activity to occur elizabeth. g. the triceps will certainly relax to allow your arm the flex at the shoulder. Flexion – decreasing the angle among two joint parts e. g. bending on the elbow or bending on the knee. Flexion also occurs at other joints such as the shoulder or hip where there may not be virtually any obvious flex in the joint. Extension – increasing the angle between two joints e. g. straightening the elbow or perhaps knee. Extension cans also occur with the shoulder or perhaps hip important joints. Adduction – side methods movement of the limb towards or across the centerline in the body. Abduction – area ways movements of a arm or leg away from the body. Rotation – Turning movement around a great imaginary series like a tire turning on its axis or a person doing a summersault. Circumduction – in circumduction the end of any bone movements in a group an example of this can be bowler in cricket.

Movement

Agonist (prime mover)

Antagonist (relaxed)

Wrist Flexion

Flexor Digitorum

Extensor Digitorum

Elbow Flexion

Biceps

Triceps

Elbow Extension

Triceps

Muscles

Shoulder Flexion

Anterior Deltoid Pectoralis Major, Muscles

Posterior Deltoid Latissimus Dorsi, Triceps

Make Extension

Detras Deltoid, Latissimus Dorsi

Susodicho, Pectoralis Major

Shoulder joint Adduction

Latissimus Dorsi, Chest muscle

Deltoid

Shoulder Abduction

Deltoid

Latissimus Dorsi, Pectoralis Major

Spine/Trunk Flexion

Rectus Abdominis

Erector Spinae

Spine/Truck Extension

Erector Spinae

Rectus Abdominis

Hip Flexion

Iliopsoas, Quadriceps

Gluteus Maximus, Hamstring

Hip Expansion

Gluteus Maximus, Hamstring

Iliopsoas, Quadriceps

Knee Flexion

Hamstrings

Quadriceps

Dorsiflexion

Tibialis Anterior

Gastrocnemius, Soleus

Plantarflexion

Gastrocnemius, Soleus

Tibialis Anterior

Function

Linear Movement

Motion that develops is a right line. All the parts of the physique move in similar direction and at the same acceleration (e. g. jumping up in the air to catch a ball or travelling in a car).

Series out jumper in Rugby Union

Drag Race

Angular Motion

Action that occurs around an axis - this axis can be internal (e. g. body parts rotating in regards to joint) or perhaps external (e. g. content spinning a ball on your finger). Spinning a ball about your ring finger

Spinning number skater

Standard Motion

A combination of linear and angular action - this is the most common of movements, because so many human activity requires the rotation of body parts around joint (e. g. cycling, swimming and running).

Apply your knowledge

Classify the following physical exercises as thready motion or angular motion or general motion 1 . Sprinting -- General

installment payments on your Rebounding a basketball -- Linear

three or more. Driving a car - Linear

some. Tossing a underhand ball in golf ball – Rotary/General 5. Horse Riding - Geradlinig

6. Yard Bowls – General/Rotary

Centre of gravity can be defined as ‘the single point at which each of the parts of an objects are equally balanced'.

For any ‘normal' man standing erect, their center of the law of gravity lies surrounding the area of their particular navel. An individual's center of gravity can alter depending on their body placement because as i have said before, the center of the law of gravity is the specific point exactly where all parts of your object will be equally well-balanced. The center of gravity may also lie exterior an object; specifically of the thing is curled over or perhaps learning within a certain way.

Center of gravity

Gravity

Line of gravity is the straight line that passes throughout the center of gravity to the ground. In case the line of gravity falls within the object's bottom of support (i. at the. its...

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