Pectoral Girdle and Upper Limbs

Front

What is the function of the pectoral girdle?

Back

The pectoral girdle connects the upper limbs to the trunk and provides support and stability for arm movements.

Front

What bones make up the pectoral girdle?

Back

The pectoral girdle consists of the clavicle (collarbone) and the scapula (shoulder blade).

Front

What is the glenoid cavity?

Back

The glenoid cavity is a shallow socket in the scapula that articulates with the head of the humerus, forming the shoulder joint.

Front

What is the role of the acromion?

Back

The acromion is a bony process on the scapula that forms the highest point of the shoulder and serves as an attachment point for muscles.

Front

What is the coracoid process?

Back

The coracoid process is a small hook-like structure on the scapula that provides attachment for muscles and ligaments.

Front

What are true ribs?

Back

True ribs are the first seven pairs of ribs that attach directly to the sternum via costal cartilage.

Front

What are false ribs?

Back

False ribs are the next three pairs of ribs that do not attach directly to the sternum but connect to the seventh rib's cartilage.

Front

What are floating ribs?

Back

Floating ribs are the last two pairs of ribs that do not attach to the sternum or to other ribs, providing minimal protection.

Front

What is the sternum?

Back

The sternum, or breastbone, is a flat bone located in the center of the chest that connects to the ribs via costal cartilage.

Front

What is costal cartilage?

Back

Costal cartilage is the cartilage that connects the ribs to the sternum, allowing for flexibility and movement of the ribcage.