Quiz Ch. 8 1. What is one main functions of joints? 2. Name 2 parts of a synovial joint. 3. From what part of the joint capsule is synovial fluid secreted? 4. What are menisci? 5. What are two types of synovial joints?
Feb 23, 2016
Quiz Ch. 8
1. What is one main functions of joints?2. Name 2 parts of a synovial joint.3. From what part of the joint capsule is
synovial fluid secreted?4. What are menisci?5. What are two types of synovial joints?
Chapter 8:Joints of the Skeleton
Introduction
• Joints– 1.– 2.– Functions
• 1.• 2.• 3.• 4
Introduction• Types of Joints (structural classification)
– 1.– 2.– 3.
• Synovial Joints– Diarthrotic, meaning…– Complex– Parts
• 1.• 2.• 3
General Structure of a Synovial Joint
• Articular cartilage– 1.– 2.– 3.
• Joint capsule– 1.– 2. Two layers
• Outer-• Inner-
Fig. 8.7
General Structure of a Synovial Joint
• Ligaments– 1.– 2.– 3.
• Synovial Membrane– 1.– 2.– 3.
General Structure of a Synovial Joint
• Synovial Fluid– 1.– 2.– 3.– Can indicate joint health
• Bloody, with lipids- • Clear- • Cloudy, yellowish- • Crystals-• Cloudy, red tinged, pus-
Fig. 8.7
General Structure of a Synovial Joint
• Menisci– 1.– 2.– 3.
• Bursae– 1.– 2.– 3.
Fig. 8.8
Types of Synovial Joints
• Six major types– Ball and Socket– Condyloid– Gliding– Hinge– Pivot– Saddle
• Classified by shapes and movements
Fig. 8.9
Fig. 8.9
Types of Joint Movements
• Muscles produce movements at synovial joints
• Muscle contracts– Pulls movable end (__________) toward
immovable end (___________)– Movement occurs at joint
Types of Joint Movements
• Flexion
• Extension
• Abduction
• Adductions
Fig. 8.10
Clinical App. 8.2 : Joint Disorders
• Sprains– 1.
• Bursitis– 1.– 2.
• Arthritis– Inflammation of joint– _______ different types– Rheumatoid Arthritis (RA)– Osteoarthritis– Lyme Arthritis
Clinical App. 8.2 : Joint Disorders
Fig. 8A
Life Span Changes
• Synovial Joints – Loss of function begins in ________
• Progresses slowly– Synovial Fluid…– Joints lose ….– Range of motion, response time affected– Exercise…