That's talking about power steering fluid in the brake system, not brake fluid in the power steering system.
Intercostal Strain. In the spine there is an intercostal muscle group consisting of the internal and external intercostals, and the subcostal and transverse thoracic muscles, located between the ribs in the thoracic cavity.These muscles can become strained due to rapid movements that bend or twist the upper body suddenly.n the spine there is an intercostal muscle group consisting of the internal and external intercostals, and the subcostal and transverse thoracic muscles, located between the ribs in the thoracic cavity. These muscles can become strained due to rapid movements that bend or twist the upper body suddenly.
The intercostal muscles are the muscles that lie between the ribs  and form the chest wall. Their function is to aid inhalation and  exhalation.he diaphragm is stimulated the same way all other muscles are-nerve impulses that originate in the brain (or sometimes the spinal cord). The intercostal muscles expand duri â¦ ng inhalation and contract during exhalation in response to the movement of the lungs by the diaphragm. Valentin Popov.