1
2
3
4
5
100

Latissimus Dorsi Nerve

Thoracodorsal

100

Levator Scapulae Insertion

Medial Border of Scapula

100

Rhomboid Major Nerve

Dorsal Scapular Nerve

100

Levator Scapulae Origin

Transverse Process C1 - C4

100

Latissimus Dorsi Insertion

Intertubercular Humeral Groove

200

Rhomboid Major Origin

Spinous T2 - T5
200

Rhomboid Minor Insertion

Upper Portion of Medial Scapular Border

200

Latissimus Dorsi Action

Shoulder Ext, Shoulder Add, Shoulder IR
200

Rhomboid Minor Origin

Spinous C7 - T1
200

Levator Scapulae Nerve

Cervical + Dorsal Scapular

300

Rhomboid Major Insertion

Middle to Lower Medial Scapular Border

300

Pec Major Action

All Fibers: Adduct Shoulder, Shoulder IR, Assist Elevate Thorax During Inhalation

Upper: Flex Shoulder, Horizontal Adduct

Lower Fibers: Shoulder Extension

300

Pec Major Origin/Insertion

Origin: Medial 1/2 of Clavicle, Sternum, Costal Cartilage 1-6

Insertion: Humeral Greater Tubercle Crest

300

Pec Major Nerve

Upper Pec: Lateral Pectoral

Lower Pec: Lateral and Medial Pectoral

300

Rhomboid Major/Minor Action

Retraction, Elevate Scapula, Scapula Downward Rotation

400

Supraspinatus

O: Supraspinous Fossa

I: Humeral Greater Tubercle

A: Shoulder Abd 0 - 15; Assist 15 - 90, Stabilize Shoulder

N: Suprascapular Nerve

400

Infraspinatus

O: Infraspinous Fossa

I: Humeral Greater Tubercle

A: Stabilize Shoulder, Shoulder ER, Shoulder Add

N: Suprascapular Nerve

400

Teres Minor

O: Superior 2/3rd Lateral Border

I: Humeral Greater Tubercle

A: Shoulder ER, Shoulder Add, Stabilize Shoulder

N: Axillary

400

Trapezius Actions

  • Superior Fibers

    • Bilateral:

      • Head/Neck Extension

    • Unilateral:

      • Ipsilateral Head/Neck Lateral Flexion

      • Contralateral Head/Neck Rotation

      • Elevate Scapula

      • Upward Scapular Rotation

  • Middle Fibers:

    • Retraction

    • Stabilize Scapula

  • Inferior Fibers:

    • Scapular Depression

    • Upward Scapular Rotation

400

Levator Scapula Actions

Unilateral: Elevate Scapula, Downwardly Rotate Scapula, Ipsilateral Rotate Head, Ipsilateral Flex Head

Bilateral: Head Extension

500

Deltoid

O: Acromion, Lateral 1/3rd Clavicle, Scapular Spine

I: Deltoid Tuberosity

A: Shoulder Flex, IR, Horizontal Add, Abd, Ext, ER, Horizontal Abd

N: Axillary

500

Teres Major 

O: Lower Scapular Angle, Lower 1/3rd Lateral Scapular Border

I: Lesser Humeral Tubercular Crest

A: Add, IR, Ext

N: Lower Scapular Nerve

500

Subscapularis

O: Subscapular Fossa

I: Humeral Lesser Tubercle

A: Shoulder IR, Stabilize Shoulder

N: Upper and Lower Subscapular Nerve

500

Trapezius Origin, Insertion, Nerve

O: Spinous Process C7 - T12, Occipital Protuberance, Medial Superior Nuchal Line, Ligamentum Nuchae

I: Lateral 1/3rd Clavicle, Acromion, Scapular Spine

Cranial Nerve XI + Ventral Rami

500

Latissimus Dorsi Origin

Scapular Inferior Angle

Spinous Process T6 - T12

Last 3/4 Ribs

Thoracolumbar Fascia

Posterior Iliac Crest

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