Appendicular skeleton - pectoral girdle, arms, wrists

Front

What is the pectoral girdle?

Back

The pectoral girdle, also known as the shoulder girdle, is a set of bones that connects the upper limb to the axial skeleton. It consists of the clavicle (collarbone) and the scapula (shoulder blade).

Front

What is the function of the acromion?

Back

The acromion is a bony process on the scapula that forms the highest point of the shoulder. It articulates with the clavicle and provides attachment for muscles and ligaments.

Front

What is the anatomical term for the upper arm bone?

Back

The upper arm bone is called the humerus.

Front

Which bones make up the forearm?

Back

The forearm is made up of two bones: the radius and the ulna.

Front

What is the role of the radius in the wrist joint?

Back

The radius is the major bone that contributes to the wrist joint, allowing for wrist movement and stability.

Front

What is the anatomical name for the thumb?

Back

The anatomical name for the thumb is 'pollex'.

Front

What part of the humerus articulates with the ulna?

Back

The trochlea of the humerus articulates with the ulna.

Front

How many phalanges are in each finger?

Back

Each finger has three phalanges (proximal, middle, and distal), while the thumb has two (proximal and distal).

Front

What is the function of 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 significance of the surgical neck of the humerus?

Back

The surgical neck of the humerus is a common site for fractures and is located just below the head of the humerus.