Pectoral Girdle
Upper Limb
Pelvic Girdle
Lower Limb
Connections & Function
100

What two bones form the pectoral girdle?

Clavicle and scapula

100

Name the single bone of the upper arm.

Humerus

100

What three bones fuse to form the hip bone (coxal bone)?

Ilium, ischium, and pubis

100

What is the longest and strongest bone in the human body?

Femur

100

The appendicular skeleton attaches to the axial skeleton at which joints?

Sternoclavicular and sacroiliac joints

200

What cavity of the scapula articulates with the humerus?

Glenoid cavity

200

Which two bones form the forearm?

Radius and ulna

200

What socket in the hip bone receives the femur?

Acetabulum

200

Which bone is commonly called the kneecap?

Patella

200

What is the main function of the appendicular skeleton?

Facilitates movement and interaction with the environment

300

Which end of the clavicle articulates with the sternum?

Sternal end

300

What structure of the ulna forms the point of the elbow?

Olecranon process

300

How does the female pelvis differ from the male pelvis?

Female pelvis is broader, shallower, and has a wider pelvic inlet

300

Which lower leg bone bears most of the body’s weight?

Tibia

300

Which bone forms both a joint with the axial skeleton and part of the pelvic girdle?

Sacrum

400

Which process of the scapula serves as an attachment site for the biceps brachii?

Coracoid process

400

How many carpal bones are in one wrist?

8

400

What joint connects the two hip bones anteriorly?

Pubic symphysis

400

What two bones form the ankle joint with the talus?

Tibia and fibula

400

How does the structure of the femur contribute to its function?

Its curved shaft and thick cortex help absorb and distribute weight

500

Why does the pectoral girdle allow more mobility than the pelvic girdle?

It has fewer bony connections to the axial skeleton, allowing greater range of motion

500

Which carpal bone articulates directly with the radius?

Scaphoid

500

Which part of the pelvis bears weight when sitting?

Ischial tuberosities

500

Name the seven tarsal bones.

Talus, calcaneus, navicular, cuboid, medial cuneiform, intermediate cuneiform, lateral cuneiform

500

Name one developmental or clinical condition affecting limb formation.

Clubfoot, polydactyly, or developmental dysplasia of the hip (any valid answer)