KINESIOL 1a03 muscles movements

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Sternocleidomastoid

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Sternocleidomastoid

Neck flexion when sternal & clavicular head contracts, neck rotation when clavicular head contracts

<p>Neck flexion when sternal &amp; clavicular head contracts, neck rotation when clavicular head contracts</p>
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Trapezius

Neck extension lateral flexion & scapula elevation, depression, retraction & rotation

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Erector spinae

Posture, trunk extension & lateral flexion, rotation of vertebral column

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Scalene muscles

Elevate first two ribs during inspiration

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External intercostals

Elevate ribs ( hands in pockets)

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Internal intercostals

Depress ribs

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Transversus thoracis

Depress ribs (from sternum to costal cartilage)

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Diaphragm

Increases volume of thoracic cavity by flattening it's dome shape

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Abdominal wall

Flex & rotate vertebral column

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Rectus abdominis

Flexion of vertebral column, compression

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External abdominal oblique

Flex & rotate vertebral column (hands in pockets)

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Internal abdominal oblique

Flex & rotate vertebral column (opposite to hands in pockets)

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Transversus abdominis

Compression of vertebral cavity

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levator scapulae

Elevate & rotate scapula

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Rhomboids

Bring scapula towards vertebrae

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Serratus anterior

Hold scapula to thoracic cage & helps hold arm up, scapula protraction, rotation

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Pectoralis minor

Depress scapula

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Pectoralis major

Arm flexion and extension, addiction, medial rotation

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Latissimus dorsi

Arm extension, adduction

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deltoid

arm abduction, medial and lateral rotation, flexion and extension

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infraspinatus

lateral rotation (pulls humerus BACK)

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Subscapularis

Medial rotation (humerus forward)

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supraspinatus

Abduction of arm

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Teres minor

Arm adduction, lateral rotation

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Triceps brachii

Elbow extension

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Anconeus

Elbow extension

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Biceps brachii

Flexion and supination

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Brachioradialis

Elbow Flexion

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Supinator

Supination

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Pronator quadratus & pronator teres

Pronation

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Anterior forearm muscles

Wrist, hand & finger flexion. Abduction and addiction of wrist

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Posterior forearm muscles

Extension of wrist hand, & fingers. Abduction of wrist

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Thenar muscles

Abduction & addiction of fingers. Digits on thumb side. Opposition

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Hypothenar muscles

Abduction and adduction of fingers on pinky side

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Iliopsoas

Flex hip

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Tensor fasciae latae

Leg abduction & flexion

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Gluteals

Hip extension, abduction of leg,Maximus can lateral rotate

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sartorius

flex hip, lateral rotation and flex knee

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Hamstrings

Flexion of knee, extension of hip

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quadriceps femoris group

extend knee. rectus femoris flexes hip as well

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anterior compartment of lower leg

dorsiflexion, inversion and eversion

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posterior compartment of lower leg

plantar flexion, inversion

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intrinsic muscles of foot

flexion, abduction, adduction of toes

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