Answer | O to I | Action | Stretch |
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 | | |