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Glossary Term

Intermuscular Coordination

Intermuscular coordination refers to the ability of agonists, antagonists, synergists, neutralizers, stabilizers, and fixators to work together in a coordinated manner to produce efficient and effective movement. This involves the optimal timing and motor unit recruitment of these muscles to produce smooth and coordinated movement patterns. Understanding intermuscular coordination is important for improving athletic performance, preventing injuries, and rehabilitating injuries.

Intermuscular Coordination: Optimal timing and motor unit recruitment of the prime mover, agonists, antagonists, synergists, neutralizers, stabilizers and fixators.

Example: Hip Extension (for example, during a Deadlift with Posterior Pull )

  • Prime Mover: Gluteus maximus
  • Synergists: Biceps femoris (long head), semitendinosus, semimembranosus, posterior head of adductor magnus
  • Antagonists: Psoas, iliacus, tensor fascia latae (TFL), rectus femoris, anterior adductors (especially pectineus), sartorius
  • Neutralizers: Gluteus minimus and anterior fibers of gluteus medius neutralize external rotation force of gluteus maximus
  • Stabilizers: Deep rotators of hip
  • Fixators: Intrinsic stabilization subsystem, rectus abdominis, internal and external obliques, quadratus lumborum, erector spinae




  1. Motor unit coordination
  2. Muscle coordination
  3. Neuromuscular coordination