SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 8, Problem 4RAC
Summary Introduction
Introduction:
Joints are the part of the body that helps in movement. They are formed by the articulation of the surfaces of two or more bones. They consist of cartilage, synovial membrane, ligaments, tendons, synovial fluids, bursa and meniscus. Based on these components the joints are classified into several types such as some joints are articulated with hyaline cartilage whereas, some are articulating with fibrocartilage.
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Which of these events does not occur with the aging of joints?a. decrease in production of new cartilage matrixb. decline in synovial fluid productionc. stretching of ligaments and tendons and increase in range ofmotiond. weakening of musclese. increase in protein cross-linking in tissues
A meniscus is ________.a. a fibrocartilage pad that provides paddingbetween bonesb. a fluid-filled space that prevents friction betweena muscle tendon and underlying bonec. the articular cartilage that covers the ends of abone at a synovial jointd. the lubricating fluid within a synovial joint
part
1. Sarcolemma - a delicate cell membrane of the muscle cell
2. Nucleus - a rounded structure beneath the sarcoplasm
3. Sarcoplasm - a cytoplasm enclosed by the sarcolemma
4. Cross-striation - heavily shaded thin bands and light bands across the cell
OBSERVATIONS:
1. What is the shape of the skeletal muscle fibers?
2. Draw and label the parts of the skeletal muscle fibers.
Chapter 8 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
Ch. 8.1 - What two standards are used to classify joints?...Ch. 8.1 - What are the characteristics of a fibrous joint?...Ch. 8.1 - What is a synostosis? How does it differ from a...Ch. 8.1 - Name the two types of cartilaginous joints, tell...Ch. 8.1 - Prob. 5AYPCh. 8.1 - Prob. 6AYPCh. 8.1 - Prob. 7AYPCh. 8.1 - On what basis are synovial joints classified? List...Ch. 8.1 - What directional movements are permitted at each...Ch. 8.2 - Describe flexion and extension. How are they...
Ch. 8.2 - Prob. 11AYPCh. 8.2 - Prob. 12AYPCh. 8.2 - Prob. 13AYPCh. 8.2 - Describe opposition and reposition of the thumb.Ch. 8.2 - Prob. 15AYPCh. 8.3 - What is range of motion? Contrast active and...Ch. 8.3 - Prob. 17AYPCh. 8.4 - Prob. 18AYPCh. 8.4 - Prob. 19AYPCh. 8.4 - Explain the differences in stability and movement...Ch. 8.4 - List the common knee injuries, and tell which port...Ch. 8.4 - Prob. 22AYPCh. 8.5 - Prob. 23AYPCh. 8.5 - Describe the age-related factors that cause loss...Ch. 8.5 - Prob. 25AYPCh. 8 - Which of these joints is not matched with the...Ch. 8 - Prob. 2RACCh. 8 - Prob. 3RACCh. 8 - Prob. 4RACCh. 8 - Prob. 5RACCh. 8 - Prob. 6RACCh. 8 - Which of these joints is correctly matched with...Ch. 8 - Prob. 8RACCh. 8 - Prob. 9RACCh. 8 - Prob. 10RACCh. 8 - Prob. 11RACCh. 8 - Prob. 12RACCh. 8 - For a ballet dancer to stand on her toes, her feet...Ch. 8 - Prob. 14RACCh. 8 - A lip (labrum) of fibro cartilage deepens the...Ch. 8 - Prob. 16RACCh. 8 - Prob. 17RACCh. 8 - Prob. 18RACCh. 8 - Prob. 19RACCh. 8 - How would body function be affected if the sterna...Ch. 8 - Prob. 2CTCh. 8 - For each of the following muscles, describe the...Ch. 8 - Prob. 4CT
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- Watch this video (http://openstaxcollege.org/l/synjoints) to see an animation of synovial joints in action. Synovial joints are places where bones articulate with each other inside of a joint cavity. The different types of synovial joints are the ball-and-socket joint (shoulder joint), hinge joint (knee), pivot joint (atlantoaxial joint, between C1 and C2 vertebrae of the neck), condyloid joint (radiocarpal joint of the wrist), saddle joint (first carpometacarpal joint, between the trapezium carpal bone and the first metacarpal bone, at the base of the thumb), and plane joint (facet joints of vertebral column, between superior and inferior articular processes). Which type of synovial joint allows for the widest ranges of motion?arrow_forwardBetty Greene has been running for several years; however, now her knees hurt, Dr. Morita diagnosed her condition as ______________, which is an abnormal softening of the cartilage in these joints.arrow_forwardA bursa ________.a. surrounds a tendon at the point where the tendon crosses a jointb. secretes the lubricating fluid for a synovial jointc. prevents friction between skin and bone, or a muscle tendon and boned. is the strong band of connective tissue that holds bones together at a synovial jointarrow_forward
- At a synovial joint, the synovial membrane ________.a. forms the fibrous connective walls of the jointcavityb. is the layer of cartilage that covers thearticulating surfaces of the bonesc. forms the intracapsular ligamentsd. secretes the lubricating synovial fluidarrow_forwardSome joints have fluid-filled cavities. Identify the true statement below about this type of joint. O these joints are synarthroses and contain synovial fluid to aid in the health and lubrication of the joint O these joints are synovial joints and contain synovial fluid to aid in the health and lubrication of the joint O these joints are synovial joint and they contain menisci to lubricate the joint O All of these are correctarrow_forwardJoints joined together by hyaline cartilage or fibrocartilage would be classified as joints. Multiple Choice diarthrotic cartilaginous synovial fibrousarrow_forward
- Drag the labels onto the diagram to identify the structural types of articulations. Reset Help Synchondrosis Symphysis Suture Synostosis Gomphosis Syndesmosisarrow_forward1 p An inflammatory condition that affects the sac of synovial fluid outside c the joint cavity would best be described as which of the following? O bursitis O arthritis osteoarthritis O specific immune response O endocarditisarrow_forwardtiny round bones found in a tendon are often called ? bonesarrow_forward
- A syndesmosis is ________.a. a narrow fibrous jointb. the type of joint that unites bones of the skullc. a fibrous joint that unites parallel bonesd. the type of joint that anchors the teeth in the jawsarrow_forwardA fasicle is bound and defined by the A. Endomysium B. Fascia C. Myofilaments D. Epimysium E. Perimyisumarrow_forwardCompared to osteoarthritis, joints with rheumatoid arthritis have A. synovial fluid that is thick & milky B. C. synovial fluid is acellular and lacking proteins synovial fluid contains normal electrolytes D. synovial membrane is intact E. A, B and C F. A and Carrow_forward
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