Flashcards in Muscle Balance Deck (11):
Contraction of a muscle involves reciprocal inhibition of the ________ antagonist and ________ agonist.
A chronic facilitated muscle can lead to prolonged ________ of an antagonist and eventually muscle weakness.
What are some examples of tonic/postural muscles?
Tensor fascia lata
What are some examples of dynamic/phasic muscles?
What are some theoretical causes of muscle imbalance?
Dysregulation of the CNS
Postural adaptation to gravity
Change in mechanical behavior of joints
Habitual movement patters
Muscle balance responds to physical demands
Who first described upper and lower crossed syndromes?
Vladimir Janda, MD, DSc
What is the muscle firing pattern of hip extension?
2) Gluteus Maximus
3) Contralateral lumbar erector spinae
4) Ipsilateral lumbar erector spinae
Dysfunctions in hip extension can lead to ________ pelvic tilt, lumbar ________, and a number of other issues.
Lower crossed syndrome involves weak ________ and ________, and tightened ________ and ________.
Abdominals, gluteus maximus, hip flexors, erector spinae
Upper crossed syndrome involves weak ________ and ________, and tightened ________ and ________.
Neck flexors, middle/lower trapezius, upper trapezius/levator scapulae, SCM/pectorals