troduction to the Skeletal System Skeleton -\'IPPLIES Activity 9.5 Synovial Join
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troduction to the Skeletal System Skeleton -'IPPLIES Activity 9.5 Synovial Joints: Examining the Structure and Function of Gliding and Hinge Joints There are six types of gmovial joints. range of motion at the jolint Each type is categoriaed by the shape of ts articulanting sarfaces and the is The booes that form gliding joints have small, flat articulating faces. On a skeleton, dentify the Intercar- pal joints at the wrist Rub your palms together, first side to side and then back and forth. This motion esembles the sliding movements at your intercarpal joints. Movement at the joins w be much more restrictive than movement when the palms are rubbed together. Because these movements do not occur along a specific body plane or around an axi, glding joints are referred to as nonaxial joints. On a skeleton, identify the following gliding joines For each joint, list the bones that form the articulaton Word Origins The names of many symovial jolnts are derived from the bones that form the articulation. Consider the following Acromioclavioular joint examples: Sacroilliac joint Joints between articular processes of adjacent vertebrae Vertebrocostal joints The intercarpal joints are articulations between carpal bones in the wrist The metacarpophalangeal joints are articulations between the metacarpal bones and the proximal phalanges in the hand. They are also called the kmackle joints. The proximal and distal radioulnar joints are articulations in the forearm between the radius and ulna There are exceptions, but this general rule will make it easier to learn the names and location of many joints Intertarsal joints 138 EXERCISE 9 ArticulationsExplanation / Answer
1. Intercarpal joints are joints formed between the carpal bones.
Proximal row joint is made of scaphoid, lunate, triquetrum
Distal row joint
Middle joint
3. Acromioclavicular joint is made of acromion process pf scapula and clavicle bone.
Sternoclavicular joint is formed between sternum and clavicle
Sacroiliac joint is formed between sacrum and ileum bone of pelvis
Joints between articular processes of adjacent vertebra is formed between the artcular process of two adjacent vertebra
Vertebrocostal joint is formed between vertebra and the ribs
Intertarsal joint is formed between the tarsal bones
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