Anatomy of the Upper Limb

This video tutorial covers Chapter 8, Module 1, focusing on the pectoral girdle and upper extremities. It explains the appendicular skeleton, detailing the bones and their functions, including the clavicle, scapula, humerus, radius, and ulna. The video also describes the anatomy of the scapula, the structure of the upper limb, and the bones of the forearm and hand, highlighting key landmarks and muscle attachment sites.

What is the primary function of the appendicular skeleton?

• To protect vital organs

• To support the body's weight

• To produce blood cells

• To facilitate movement and manipulation

Which bones form the pectoral girdle?

• Clavicles and scapula

• Humerus and radius

• Femur and tibia

• Ulna and radius

What is the only direct connection between the pectoral girdle and the axial skeleton?

• The humerus and the scapula

• The clavicle and the manubrium

• The radius and the ulna

• The scapula and the ribs

Which process on the scapula is larger and can be felt on the shoulder's superior surface?

• Coracoid process

• Acromion

• Glenoid cavity

• Subscapular fossa

What is the function of the scapular spine?

• To attach the humerus to the scapula

• To support the glenoid cavity

• To divide the posterior surface into two regions

• To connect the scapula to the clavicle

Which bone is referred to as the brachium?

• Radius

• Ulna

• Humerus

• Scapula

Where does the deltoid muscle attach on the humerus?

• Olecranon fossa

• Deltoid tuberosity

• Lesser tubercle

• Greater tubercle

What is the anatomical position of the ulna relative to the radius?

• Medial

• Posterior

• Anterior

• Lateral

Which bone in the forearm has a styloid process that helps stabilize the wrist joint?

• Humerus

• Ulna

• Scapula

• Radius

How many phalanges are present in each hand?

• 16

• 12

• 14

• 10