Deltoids, Rhomboids, SCM, Levator Scapulae

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Sternocleidomastoid: Origin

-Manubrium of sternum -Superior medial 1/3 of clavicle

Rhomboid Minor: Action

-Scapular Retraction -Scapular elevation -Scapular Downward rotation

Rhomboid Minor: Origin

-Spinous processes of C7-T1

Levator Scapulae: Innervation

-Cervical Spine nerves -dorsal scapular nerve

Rhomboid Major: Innervation

dorsal scapular nerve

Levator Scapulae: Origin

transverse processes of C1-C4

Middle Deltoid: Innervation

Axillary nerve

Middle Deltoid: Insertion

Deltoid Tuberosity

Rhomboid Minor: Innervation

Dorsal scapular nerve

Levator Scapulae: Action

Scapular -elevation Neck -lateral flexion -rotation to same side

Anterior Deltoid: Insertion

deltoid tuberosity

Posterior Deltoid: Origin

inferior edge of spine of scapula

SCM: Insertion

mastoid process

Rhomboid Major: Insertion

medial border of scapula

Levator Scapulae: Insertion

medial border of scapular above the spine

Rhomboid Minor: Insertion

medial border of scapular at root of spine

Middle Deltoid: Action

shoulder abduction

Rhomboid Major: Origin

spinous processes of T2-T5

Rhomboid Major: action

-scapular retraction -scapular elevation -scapular downward rotation

posterior delotid: action

-shoulder extension -ER

Anterior Deltoid: Action

-shoulder flexion -IR

SCM: Innervation

-spinal part of spinoaccessory nerve XI -branches of cervical spine

Middle Deltoid: Origin

Lateral border of acromion process

SCM: Action

Unilateral -lateral neck flexion Bilateral -neck flexion -elevating thorax during forced inspiration

Anterior Deltoid: Innervation

axillary nerve

posterior delotid: innervation

axillary nerve

Posterior Deltoid: Insertion

deltoid tuberosity

Anterior Deltoid: Origin

superior lateral 1/3 of clavicle


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