Question

1.

a.Name the two ends of the clavicle, and the bone they articulate with.

b. Name of the ridge of bone that juts out posteriorly on the scapula. (½ pt)

c. Which 2 bones does the scapula articulate with? (1/2 pt)

d. Which bone does the humerus articulate with proximally? What is this area called?(1 pt)

e. Name two bones which articulate with the humerus distally and name the area of the humerus for each. (

Answer 1

1.

a. Acromial end and sternal end. The acromial end articulates with the acromion of the scapula at the acromioclavicular joint. The sternal end articulates with the manubrium portion of sternum.

b. Infraspinous fossa

c. humerus at the glenohumeral joint and with the clavicle at the acromioclavicular joint.

d. proximally humerus articulates with the scapula to form the shoulder joint, or glenohumeral joint.

e. Distally, the humerus articulates with the radius and ulna to form the elbow joint.