Upper Extremity Myofascial Chains: Difference between revisions

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In the upper limb there are four myofascial chains<ref>Wilke J, Krause F. [https://onlinelibrary.wiley.com/doi/abs/10.1002/ca.23424 Myofascial chains of the upper limb: a systematic review of anatomical studies.] Clinical Anatomy. 2019 Oct;32(7):934-40.</ref>:
In the upper limb there are four myofascial chains<ref>Wilke J, Krause F. [https://onlinelibrary.wiley.com/doi/abs/10.1002/ca.23424 Myofascial chains of the upper limb: a systematic review of anatomical studies.] Clinical Anatomy. 2019 Oct;32(7):934-40.</ref>:


# Superficial front arm line (figure 1)
# Superficial front arm line (Figure 1)
## Medial ⅓ clavicle, coastal cartilage
## Medial ⅓ clavicle, coastal cartilage
## Pectoralis major, Lattissimus dorsi
## Pectoralis major, Lattissimus dorsi
Line 17: Line 17:
## Carpal tunnel
## Carpal tunnel
## Palmar surface of the fingers
## Palmar surface of the fingers
# Deep front arm line (figure 2)
# Deep front arm line (Figure 2)
## 3rd, 4th and 5th ribs
## 3rd, 4th and 5th ribs
## Pectoralis minor
## Pectoralis minor
Line 31: Line 31:
File: Superficial Front Arm Line (1).jpg|600x600px|alt=|thumb|Figure 1. Superficial front arm line.
File: Superficial Front Arm Line (1).jpg|600x600px|alt=|thumb|Figure 1. Superficial front arm line.
File: Deep Front Arm Line (2).jpg|600x600px|alt=|thumb|Figure 2. Deep front arm line.  </gallery>
File: Deep Front Arm Line (2).jpg|600x600px|alt=|thumb|Figure 2. Deep front arm line.  </gallery>
# Superficial back arm line (figure 3)
# Superficial back arm line (Figure 3)
## Occipital ridge
## Occipital ridge
## Nuchal ligament
## Nuchal ligament
Line 43: Line 43:
## Extensor group
## Extensor group
## Dorsal surface of fingers
## Dorsal surface of fingers
# Deep back arm line (figure 4)
# Deep back arm line (Figure 4)
## Spinous process of lower cervicals and upper thoracic, C1-4 transverse processes
## Spinous process of lower cervicals and upper thoracic, C1-4 transverse processes
## Rhomboids and levator scapula
## Rhomboids and levator scapula

Revision as of 12:50, 12 September 2021

Original Editor - Carin Hunter based on the course by Rina Pandya
Top Contributors - Jess Bell, Carin Hunter, Kim Jackson, Lucinda hampton and Robin Tacchetti

Introduction[edit | edit source]

A myofascial chain is a line of connective tissue that runs throughout the body.  There is a posterior (back) line, an anterior (front) line, a spiral line, and a lateral line.  These lines help the body to move as a unit.[1]  

Myofascial chains are important for functional movement, coordination and stability.[2]  They can, however, also cause pain within the body and structural weakness.[3] By understanding myofascial chains, you can better understand injuries and movement limitations.[4]

In the upper limb there are four myofascial chains[5]:

  1. Superficial front arm line (Figure 1)
    1. Medial ⅓ clavicle, coastal cartilage
    2. Pectoralis major, Lattissimus dorsi
    3. Medial humeral line
    4. Medial intermuscular septum
    5. Medial humeral epicondyle
    6. Flexor group
    7. Carpal tunnel
    8. Palmar surface of the fingers
  2. Deep front arm line (Figure 2)
    1. 3rd, 4th and 5th ribs
    2. Pectoralis minor
    3. Coracoid process
    4. Biceps brachii
    5. Radial tuberosity
    6. Anterior border of radial periosteum
    7. Styloid process of radius
    8. Radial collateral ligaments and thenar muscles
    9. Scaphoid and trapezuim
    10. Outside of the thumb

  • Figure 1. Superficial front arm line.

  • Figure 2. Deep front arm line.

  1. Superficial back arm line (Figure 3)
    1. Occipital ridge
    2. Nuchal ligament
    3. Thoracic spinous process
    4. Trapezius
    5. Spine of scapula, acromion, lateral third of clavicle
    6. Deltoid
    7. Deltoid tubercle of humerus
    8. Lateral intramuscular septum
    9. Lateral epicondyle of humerus
    10. Extensor group
    11. Dorsal surface of fingers
  2. Deep back arm line (Figure 4)
    1. Spinous process of lower cervicals and upper thoracic, C1-4 transverse processes
    2. Rhomboids and levator scapula
    3. Medial border of scapula
    4. Rotator cuff muscles
    5. Head of humerus
    6. Triceps brachii
    7. Olecranon of ulna
    8. Fascia along ulnar periosteum
    9. Styloid process of ulna
    10. Ulnar collateral ligaments
    11. Triquetrum, hamate
    12. Hypothenar muscles
    13. Outside of little finger

  • Figure 3. Superficial back arm line.

  • Figure 4. Deep back arm line.

Stabilisation Tracts[edit | edit source]

1. Back arm line[edit | edit source]

  1. Latissimus dorsi
  2. Thoracolumbar fascia
  3. Sacral fascia contralateral to thoracolumbar fascia
  4. Gluteus max contralateral to thoracolumbar fascia
  5. Vastus lateralis

2. Front arm line[edit | edit source]

  1. Pectoralis major
  2. External oblique
  3. Adductor longus contralateral to external oblique
  4. Gracilis contralateral to external oblique
  5. Pes anserine contralateral to external oblique
  6. Tibial periosteum contralateral to external oblique

References[edit | edit source]

  1. ↑ Bordoni B, Myers T. A review of the theoretical fascial models: biotensegrity, fascintegrity, and myofascial chains. Cureus. 2020 Feb;12(2).
  2. ↑ Kazakos D, Liapis A, Mylonas K, Angelopoulos P, Koubetsos A, Tsepis E, Fousekis K. Treatment of scalene muscles with the Ergon technique can lead to greater improvement in hip abduction range of motion than local hip adductor treatment: a study on deep front line connectivity. Journal of Physical Therapy Science. 2020;32(11):706-9.
  3. ↑ Dischiavi SL, Wright AA, Hegedus EJ, Bleakley CM. Biotensegrity and myofascial chains: A global approach to an integrated kinetic chain. Medical hypotheses. 2018 Jan 1;110:90-6.
  4. ↑ Burk C, Perry J, Lis S, Dischiavi S, Bleakley C. Can myofascial interventions have a remote effect on ROM? A systematic review and meta-analysis. Journal of sport rehabilitation. 2019 Oct 18;29(5):650-6.
  5. ↑ Wilke J, Krause F. Myofascial chains of the upper limb: a systematic review of anatomical studies. Clinical Anatomy. 2019 Oct;32(7):934-40.
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