Concept explainers
Match the joint types in the key to the descriptions that apply to them. (More than one joint type might apply.)
Key:
(a) fibrous joints
(b) cartilaginous joints
(c) synovial joints
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
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- Synovial joints are more freely moveable than fibrous or cartilaginous joints explain this observation. You may use diagrams to support your explanations.arrow_forwardMatch the joint types in the key to the descriptions that apply to them (More than one joint type might apply.) Key: (a) fibrous joints (b) cartilaginous joints (c) synovial joints__(1) have no joint cavity__(2) types are sutures and syndesmoses__(3) dense connective tissue fills the space between the bones__(4) almost all joints of the skull__(5) types are synchondroses and symphyses__(6) all are diarthroses__(7) the most common type of joint in the body__(8) nearly all are synarthrotic__(9) shoulder, hip, knee, and elbow jointsarrow_forwardSynovial joints, like knees and hips, are sometimes replaced with artificial joints (like in knee replacement surgery). What frictional idea must the designers of these joints keep in mind when creating artificial joints?arrow_forward
- Synchondroses and symphyses are: a. synovial joints b. cartilaginous joints c. fibrous joints d. condyloid jointsarrow_forwardExplain how the structure of each of the following joint types follows its function. a. Fibrous joint b. Cartilaginous joint c. Synovial jointarrow_forwardFill in the table by identifying the type of joint, movement in a joint and example according to the given range of motion. Choose the answers from Table A . Letters only for the answers. A. HInge joint B. Enarthrosis C. Condyloid D. Pivot E. Saddle F. Planar G. Flexion, Extension, Adduction, Abduction with minimal rotation H. Rotation I. Flexion, Extension J. Gliding K. Flexion, Extension, Adduction, Abduction with no rotation L. Flexion, extension M. trapezium to base of M1 N. Occipital condyles to superior articular facet of atlas O. head of humerus to glenoid fossa P. head of proximal phalanx to base of middle phalanx Q. radial head to radial notch R. acromion process to acromial end NONAXIAL UNIAXIAL BIAXIAL POLYAXIAL Type of joint 1. 2. 3 4. 5. 6. Movement a a. a. a. a. a. Example b. b. b. b. b. b.arrow_forward
- The design of synovial joints permits free movement of bones. However, if bones moved too freely, they would potentially move right out of their joint cavities (dislocation). A number of factors modify movement at synovial joints. Pick 2 factors from the list below and explain how your chosen factors affect joint motion. Bones Fat Pad Hormones Muscles Ligamentsarrow_forwardWhich of the following stabilize joints? Select one or more: a. Muscles and tendons b. Ligaments c. Fibrous connective tissue d. Cartilagearrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement.a. Fibrous joints are united by collagen fibers.b. A syndesmosis is a type of cartilaginous joint.c. Cartilaginous joints are synarthroses.d. The joint between the two pubic bones and the intervertebral joints are examples of symphysesarrow_forward
- Which of the following is NOT true about joints in the body? A. they are found in places where 4 bones meet B. They are found in places where 2 bones meet C. They have synovial fluid that keeps joint lubricated (smooth) so we can move more easily D. They come in many typesarrow_forwardName the joints that would be involved if you reached directly overhead and screwed a lightbulb into a ceiling fixture. Describe the joint actions that would occur?arrow_forwardLabel the structures in the following illustration of a synovial joint. (a) ______(b) ______________(c) ______________(d) ___________arrow_forward
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