Appendicular Skeleton

1

100

Two bones in the pectoral girdle.

Clavicle/Collarbone and Scapula/Shoulder Blade

200

Three regions of the clavicle

1. Medial/Sternal End 

2. Lateral/Acromial End

3. Shaft

300

Three attachment points for muscles of forearm, wrist, and hand

1. Medial epicondyle 

2. Lateral epicondyle 

3. Lateral supracondylar ridge

400

Effects of Thyroxine & Calcitriol

THYROXINE

promotes osteoblastic activity & synthesis of bone matrix

CALCITRIOL

stimulates absorption of calcium and phosphate from SI

500

The 5 metacarpal bone functions

• 1st is separated and provides mobility for thumb

• 2nd and 3rd are immobile

• 4th and 5th are allowed limited anterior movement

(greater at 5th for additional grip)

2

100

The three regions of the upper limb

Answer:

1. Arm

2. Forearm

3. Hand

200

The single bone of the upper arm

Humerus

300

This is the girdle region attached to the thoracic cage.

Pectoral Region

400

Most susceptible to fracture because it receives the shock when you fall

Clavicle

500

What are the three cranial nerves to the eye?

1. Oculomotor Nerve (CN III)

2. Trochlear Nerve (CN IV)

3. Abducens (CN VI)

3

100

This is in the pectoral girdle that is a flat, triangular-shaped bone with a prominent ridge running along its posterior surface.

Scapula/Shoulder Blade

200

True or False: The left and right girdle operates independently.

True

300

This is a region in the clavicle that articulates with the acromion of the scapula, which forms the bony tip of the shoulder.

Lateral/Acromial End

400

Difference in male and female clavicles.

Males: heavier and longer, greater curvature and

rougher surfaces

Females: shorter, thinner, and less curved

500

Two rows of the carpal bones.

1. Proximal (lateral to medial) 

2. Distal (lateral to medial)