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MUSCULAR ANALYSIS OF UPPER EXTREMITY : Latissimus pull(Lat. pull) Lecture’s name: Dr.  Vijayamurugan   Eswaramoorthi Name: Ain Nur  Shofiah   binti  Azmi Matric no : 057381

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The pull-down exercise is a strength training exercise designed to develop the latissimus dorsi muscle. It performs the functions of downward rotation and depression of the scapulae combined with adduction and extension of the shoulder joint.

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1)Subject, sitting, reaches up and grasps a horizontal bar 2)Subject pulls bar down to a position behind the neck and shoulders 3)Bar is returned slowly to the starting position

Brachialis
Biceps brachii
Brachioradialis
Teres major
Pectoralis major
Lower trapezius
Latissimus dorsi
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Allows athlete to assume a comfortable and balanced body position from which to initiate the sport skill Athlete get to the bar Get feet situated so that can pull the bar forward Push top pad down onto the thigh until fell the pressure Shins against pad that are down low Feet stable in ground about hip-width apart

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To lengthen the appropriate muscles so that they will be in position to generate more force & momentum when concentrically contract in next phase The chin is backward posteriorly Chest up superiorly and in ready position Trunk is straight with the elbow flexion, holding the bar tightly

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Is the action part of the skill Summation of force is generated directly to the bar Subject pulls down elbows inferiorly to the ground as well as the bar   The chest is elevated superiorly and the lower extremity is fixed to the ground

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Begins immediately after climax of movement phase The body segment velocity progressively decreases over a wide range of motion Subject raises up the bar superiorly as well as follow the direction of bar The trunk is in straight position

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Used after follow-through phase to regain balance & positioning to be ready for the next repetition Take a short time about a few seconds to relax before continue next repetition In this position, muscles are in eccentrically contraction The trunk is in straight position

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La tissimus  pull (lat. pull) is a closed kinetic chain activity because  distal end of the extremity is fixed  and  multiple joints  are involved and  numerous muscle groups  participate to cause and control the multiple plane movements of this activity.

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Joint : elbow Action : flexion Muscles  :

Briceps  brachii Brachialis Brachioradialis

Joint : wrist & hand Action : flexion Muscles :

Flexor carpi radialis Flexor carpi  ulnaris Palmaris longus Flexor digitorum  profundus Flexor digitorum superficialis Flexor pollicis longus

Joint : shoulder Action : adduction Muscles :

Pectoralis major Posterior deltoid Latissimus dorsi Teres major Subscapularis

Joint : shoulder girdle Action : adduction, depression, &    downward rotation Muscles :

Trapezius ( lower&middle ) Pectoralis minor Rhomboids

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Joint : elbow Action : extension Muscles  :

Joint : shoulder Action : abduction Muscles :

Joint : shoulder girdle Action : abduction, elevation, &    downward rotation Muscles :

RSP 11203 KINESIOLOGY

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