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O-I-A

AnswerO to IActionStretch
Trapezius O -occipital protuberance & spinous p C7-T12 I-clavicle acromion spine of scapula Elevate & upward rot. Scapula Retract scapula Depress scapula Anteriorly depress neck
Latissmus dorsi O- Spinous T6 - T12, post. Iliac crest I- Bicipital groove Extend, adduct, medially rotate arm arms over head push medially
Erector spinae Iliocostalis, longissimus, spinalis Spinous proc. T9-T12 Spinous & Transverse P thoracic & cervical vert.,mastoid process Extends vertebral column, lateral flexion same side Twist torso opposite side
Semispinalis (transversopinalis group) Transverse proc. thoracic vertebrae Spinous proc. upper thoracic C7-C2 Trunk rotation opposite side, extend trunk Lateral flexion, rotate trunk same side
Multifidus & Rotatores (transversopinalis group) Transverse proc. Lumbar to cervical Spinous proc. Lumbar to cervical Rotate trunk opposite side, extends trunk unilaterally. Same side rotation, flexion trunk
Rhomboid major Spinous proc. T2-T5 Medial border scapula elevate and adduct scapula reach medially across chest and depress
Rhomboid minor Spinous proc. C7-T1 Medial border scapula Elevate and adduct scapula reach medially across chest and depress
Splenius capitis O-spinous proc. C7-T3, ligamentum nuchae I-mastoid process extend rotate head and neck to same side Lateral flexion head and neck n/a
Splenius cervicis O-spinous proc. T3-T6 Transverse proc. Upper cervical vertebrae extend rotate head and neck to same side Lateral flexion head and neck n/a
Levator scapula O-transverse proc. C1-C4 I-medial border and superior angle scapula
Created by: Camdan
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