To start off the series of “Tight Tuesday” posts, I would like to begin with a post about basic core musculature anatomy…

There are three parts of our core: Local Stabilization System, Global Stabilization System, and Movement System. 

Local Stabilization System

• Muscles attach directly to the vertebrae 
• Primarily responsible for intervertebral and intersegmental stability, providing support from vertebra to vertebra
• Limits excessive compressive and rotational forces between spinal segments
• Aids in proprioception and postural control
• Consists of: Transverse Abdominis, Internal Oblique, Lumbar Multifidis, Pelvic floor muscles, Diaphragm

Global Stabilization System

• Muscles attach from the pelvis to the spine
• Transfers loads between the upper extremities (arms) and lower extremities (legs)
• Provides stability between the pelvis and spine
• Provides stabilization and eccentric control of the core during functional movements
• Consists of:  Quadratus Lumborum, Psoas Major, External Oblique, Parts of Internal Oblique, Rectus Abdominis, Gluteus Medius, Adductor complex

Movement System

• Muscles attach the spine and/or pelvis to the extremities (arms and legs)
• Primarily responsible for concentric force production (shortening of muscle) and eccentric deceleration (lengthening of muscle) during dynamic activities
• Consists of:  Latissimus Dorsi, Hip Flexors, Hamstring complex, Quadriceps

* Stay tuned for next Tuesday’s post, featuring the Drawing-In Maneuver and Bracing… Important stuff!