Learn Yoga Anatomy

This is a simple tutorial on yoga anatomy. It should serve anyone wanting to know the basics of anatomy. A list of major muscles are listed below.

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Muscles That Act On The Abdomen


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Leg Muscles

Anterior

Iliacus (Hip Flexion)
Psoas major (Hip Flexion)
Tensor fasciae latae (Internal rotation)
Sartorius (Hip Flexion) (Hip abduction)
Rectus femoris (Hip Flexion)
Pectineus (Hip Adductor)
Adductor longus (Hip Adductor)
Adductor brevis (Hip Adductor)
Adductor magnus (Hip Adductor)
Gracilis (Hip Adductor)
Vastus lateralis (Knee extension)
Vastus medialis (Knee extension)
Vastus intermedius (Knee extension)

Posterior

Gluteus maximus (External Rotation) (Leg Extension) (Adducts)
Gluteus medius (Hip abductor) (Internal rotation)
Gluteus minimus (Internal rotation) (Hip abductor)
Piriformis (External Rotation)
Quadratus femoris (External Rotation)
Obturator externus (Hip Adductor)
Obturator internus (External Rotation)
Superior gemellus (External Rotation)
Inferior gemellus (External Rotation)
Biceps femoris - long head
Biceps femoris - short head
Semimembranosus
Semitendinosus
Gastrocnemius
Plantaris


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Muscles That Act On The Neck and Head

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Erector spinae - spinalis
Erector spinae - iliocostalis
Erector spinae - longissimus
Longissimus Thoracis - Extension, lateral flexion of vertebral column, rib rotation
Iliocostalis Thoracis - Extension, lateral flexion of vertebral column, rib rotation
Longissimus Lumborum - Extends & rotates vertebral column
Iliocostalis Lumborum - Extension, lateral flexion of vertebral column, rib rotation

Erector spinae Iliocostalis Thoracis

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Muscle strains are classified as 1st degree, 2nd degree, or 3rd degree (mild, moderate, or severe).
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1st degree strain muscle is over-stretched but not torn. - (mild)
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2nd degree strain muscle has a partial muscle tear. - (moderate)
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3rd degree strain is complete tear or rupture of the muscle. This happens most often at the muscle tendon junction where the fibers bunch.
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Movement

Planes Of the Body