
Janda's classification of muscle imbalances
Throughout Janda's observations of patients with neurological disorders and chronic musculoskeletal
pain, Janda found that the typical muscle response to joint dysfunction is
similar to the muscle patterns found in upper motor neuron lesions, concluding that
muscle imbalances are controlled by the CNS (Janda 1987). Janda believed that muscle
tightness or spasticity is...