Lecture Notes on Internal Intercostals and the Pectoral Girdle

Flashcards created to help review key vocabulary and concepts related to the internal intercostals and the pectoral girdle.

Internal Intercostals

Muscles that depress the ribs during forced expiration.

External Oblique

Muscle used in respiration that runs in a similar direction to the external intercostals.

Diaphragm

A muscle that contracts during inhalation, forcing air into the lungs.

Pectoral Girdle

Comprises the clavicle and scapula, providing support and enabling movement at shoulder joints.

Diarthrotic Joint

A type of joint that is highly mobile, such as the shoulder joint.

Transversus Abdominis

A deep abdominal muscle that aids in respiratory function and stabilization of the core.

Forced Expiration

A process that involves engaging internal intercostals to expel air forcefully.

Clavicle

A bone that is part of the pectoral girdle, providing structural support.

Scapula

The shoulder blade, a component of the pectoral girdle allowing for arm movement.

Respiration

The physiological process involving inhalation and exhalation of air.