The posterolateral (PL) muscle chain

Composition of the posterolateral (PL) muscle chain

The posterolateral (PL) muscle chain

Main structures of the PL chain

Muscles of the chain of the lower limbs:

Muscles of the chain of the upper limbs:

  • Upper and middle trapezius.
  • Supraspinatus.
  • Lateral deltoid.
  • Vastus lateralis of the brachii triceps.
  • Anconae.
  • Flexor ulnaris and extensor carpi ulnaris.
  • Fifth finger abductor.

Extension of the PL chain in the trunk

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Post operative chronic pain