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 connect your ribs. When you breathe, your rib cage must be able to expand to accommodate the movement of your lungs. If your rib cage is tight, the amount of air taken in by your lungs is reduced. Poor posture can lead to tight intercostal muscles.