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Muscle Movement

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on 7 November 2013

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Transcript of Muscle Movement

Muscle Movement
Trirat Homchantra
Movement and Involved Muscle:
Smashing in Badminton
Badminton Smashing Video
Smashing in badminton involved medial rotation of deltoid and trapezius muscle
It also involved movement in triceps brachii, biceps brachii, brachialis,
In smashing, there are multiple sequences of muscle movements
First, a player stretches his arm back to gain momentum [deltoid muscle adducts arm]
Second, biceps brachii and brachialis flex elbow to maintain balance, while triceps brachii muscle extends the forearm and hit the shuttle
Third, deltoid along with trapezius muscle medially rotates the arm downward to perform a smash
Information on Muscles Used in the Movement
Triceps brachii group
Origin: scapula
Insertion: ulnar
Comprises of 3 muscles
Long head
Lateral head
Medial head
Main function: fixate the elbow joint when the forearm and hand are used for fine movement, such as in writing, for example

Biceps brachii group
Origin: scapula
Insertion: humerus
Comprises of 2 muscles
Short head
Long head
Main function: supinate the forearm and flex the elbow.

Origin: clavicle
Inserttion: humerus
Main function: arm abduction and adduction

Origin: vertebrae
Insertion: clavicle
Main function: stabilize and move the scapula

Origin: humerus
Insertion: ulnar
Main function: flexes the elbow join
Diagram of Muscle Being Used
Fast Twitch and Slow Twitch
Technique and Training for
the muscles
Slow-twitch muscle fibers
Contracts slowly and gradually releases energy, the slow-twitch muscles are efficient in generating ATP from oxygen. Endurance-oriented sports such as swimming, cycling, and jogging use this type of muscle.

Fast-twitch muscle fibers
Fast-twitch muscles provide quick and large burst of energy, but they fatigue quickly due to its energy mechanism. This type of fiber is being used during explosive action, such as weight-lifting and sprinting
In order to master smashing, a training and exercise in biceps brachii and triceps brachii is required, as they control how fast the smashing will be, and where will the shuttle land

This video demonstrates several techniques, in order to achieve a proper way to smash, since strength of the muscle is not the only factor that influences smashing ability
Smashing technique is being used as a fast way to score from opponent, or it can be used as an offensive move and follow up with drop shot
Tricep brachii group
Red: Long head
Yellow: Lateral head
Green: Medial head
Bicep brachii group
Red: Long head
Green: Short head
Deltoid group
Red: Anterior part
Green: Lateral part
Blue: Posterior part
Trapezius group
Orange: Superior fiber
Red: Middle fiber
Purple: Inferior fiber
In smashing, fast-twitch muscle fibers had been used, since smashing is a brief but powerful movement
Muscles used in smashing
Deltoid and trapezius: rotation of the arm
Triceps brachii: control speed of the shuttle
Bicep brachii, brachialis: control grip and direction of the shuttle
Full transcript