3. Try moving each of these joints in your body and decide which joint each one is: i) cranium: ii) toe joint: iii) hip joint: iv) shoulder joint: v) ankle joint:
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3. Try moving each of these joints in your body and decide which joint each one is: i) cranium: ii) toe joint: iii) hip joint: iv) shoulder joint: v) ankle joint:
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Answer:
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Answer:
i] Skull joints- cranium
ii] toe joint
iii] hip joint
iv]shoulder joint.
v] ankle joint
Explanation: i] Most fibrous joints are also called "fixed" or "immovable". These joints have no joint cavity and are connected via fibrous connective tissue. The skull bones are connected by fibrous joints called sutures. In fetal skulls the sutures are wide to allow slight movement during birth.
ii] Except for the big toe, each of the toes has three joints, which include: metatarsophalangeal joint (MCP) – the joint at the base of the toe. proximal interphalangeal joint (PIP) – the joint in the middle of the toe. distal phalangeal joint (DP) – the joint closest to the tip of the toe.
iii]the ball-and-socket joint connecting a leg to the trunk of the body, in which the head of the thigh bone fits into the socket of the hip bone.
iv] The shoulder joint (glenohumeral joint) is a ball and socket joint between the scapula and the humerus. It is the major joint connecting the upper limb to the trunk. It is one of the most mobile joints in the human body, at the cost of joint stability.
v]The ankle joint (or talocrural joint) is a synovial joint located in the lower limb. It is formed by the bones of the leg (tibia and fibula) and the foot (talus). Functionally, it is a hinge type joint, permitting dorsiflexion and plantarflexion of the foot.