8. A bone that has both an acromial and a coracoid process is the 9. What region

Question

8. A bone that has both an acromial and a coracoid process is the 9. What region of the body is the pisiform bone located in? 10. The head of the humerus articulates with the of the scapula. 11. What landmarks on the femur & the tibia articulate with one another? 12. The only point of articulation between the pectoral girdle and the axial skeleton is the 13. Identify the bone & structure that articulates with the following list of bone landmarks (Bone) A) Humerus capitulum - B) Humerus trochlea C) Humerus olecranon fossa - D) Humerus coronoid fossa

Explanation / Answer

8. A bone that has both acromial and caracoid process is the Scapula bone. The scapula is a large, flat triangular bone with three processes called the acromion, spine and coracoid process . It forms the back portion of the shoulder girdle.

9. The pisiform bone is one of four bones in the proximal row of carpals (scaphoid, lunate, triquetral, pisiform). It is a tiny sesamoid bone located in the tendon of the flexor carpi ulnaris (FCU) muscle. It articulates with the palmar surface of the triquetral bone.

10. The humerus ibone is the large single bone of the upper arm. It articulates with the Scapula, Ulna and Radius. The proximal part of the humerus, the Head articulates with the glenoid fossa of the scapula forming the glenohumeral joint.

11. Femur, Tibia and Patella are the three bones that come together to form the Knee joint. There are two articulations involved in this process. One is the tibiofemoral articulation, connecting the proximal tibia to the distal femur, while the other is the patellofemoral one, connecting the patella to the femur.

The femur is the longest bone of the human body. It consists of a rounded proximal head that articulates with the acetabulum at the hip, a nearly cylindrical shaft, and a distal metaphysis that forms two large rounded condyles that articulate with the tibia which is called tibiofemoral articulation.

12. The only point of articulation between the pectoral girdle and axial skeleton is the articulation of the clavicle with the sternum

13. A. Humerus capitulum articulates with the the upper surface of the head of the radius at the elbow joint

B. Humeral trochlea is the medial portion of the articular surface of the elbow joint. It articulates with the trochlear notch on the ulna in the fore arm.

C. Humerus olecranon fossa is a deep triangular depression on the posterior side of the humerus. It articulates with the olecrenon process of ulna

D. The coronoid fossa is a small depression in the distal dorsal surface of the humerus. It articulates with the coronoid process of ulna when the elbow is bent.

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