11 Chapter 6 The Skeleton: Bones and Joints he bones that make up the elbow join

Question

11 Chapter 6 The Skeleton: Bones and Joints he bones that make up the elbow joint, and describe three different articulations b L/these three bones. 0:108 CONCEPTUAL THINKING The following questions relate to the knee joint. assi fy the knee joint in terms of the degree of movement permitted a. Cl List the types of movement that can occur at the knee joint. fiexions extensib Based on your answer to part b, classify the knee joint based on the types of movement permitted. d. Classify the knee joint in terms of the material between the adjoining bones. hinge int e Iist the bones that articulate within the capsule of he kne joint. enaur+ tibia s patella order, the movements (e g, abduction) that must occur in order to accomplish the fol- lowing actions: a. A child brings her leg far behind her and then kicks the ball, bringing her leg in front of her. dorsiflexin d plantaflexn b. You hear your friend shouting, and turn your head to the right in the direction of the sound. rotahion C. The person in the car next to you bends his arm at the elbow to scratch his nose and then straightens his arm again. adduchbn alodchbn

Explanation / Answer

Pictured Question:

4) Elbow is a simple hinge joint that only allows flexion (decrease the angle between the ulna and the humerus) & extension (increase the angle between the ulna and the humerus).

There are three bones that make up the elbow joint. These are- humerus or upper arm bone & two forearm bones ulna & radius.

There are three different articulations that occur between these 3 bones; these are- articulation between radius & ulnar (due to proximal radioulnar joint), articulation between humerus & radius (due to humeroradial joint) & articulation between humerus & ulnar (due to humeroulnar joint).

Written Question:

Olecranon & Trochlear notch:

Trochlear notch is a C-shaped notch that forms in the upper end of ulna & articulates with the trochlea of the humerus. So, trochlear notch is a part of the ulna bone not humerus bone.

Olecranon process is formed by pointed projection of the trochlear notch on the posterior surface of the elbow. So, your answer is correct.

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.