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Synovial fluid is rich in albumin and hyaluronic acid, which give it a viscous texture similar to egg white
The coxal joint is a ball-and-socket joint where the head of the humerus articulates with the glenoid cavity of the scapula.
The shoulder is stabilized mainly by the biceps brachii muscle on the anterior side of the arm.
The joint between costal cartilage 1 and the sternum is a ____________, whereas the other costal cartilages are joined to the sternum by ____________ joints.
an articular cartilage
This image shows the structure of a simple synovial joint. What does "2" represent?
C. Their output force is always greater than the input force.
Which of the following is true of joints that are first-class levers?
the length of the bone.
Range of motion of a joint is normally determined by the following factors except
37. The metacarpophalangeal joints at the base of the fingers are ________________ joints
When you walk up the stairs your hip and knee joints _____________ to lift your body weight.
When you hold out your hands with the palms up, ______________ of your wrists will tip your palms toward you.
Raising an arm to one side of the body to stop a taxi is an example of ______________ of the shoulder.
adduction of the fingers.
Suppose you cup your hands to hold some water. This action would most likely involve
If you stand on tiptoes to reach something high, you are performing ______________ at the ankle.
flexion and extension
A monoaxial joint like the elbow is capable of which one of the following movements?
raise your hand and place it on the shoulder of a person standing in front of you involves _______________ of the shoulder
hyperextension of the wrist.
Suppose you are looking at the back of your hand and you turn your fingers upward to admire a new ring. A motion employed in this would be
______________ tips the soles medially, like facing each other, and _____________ tips the soles laterally, away from each other.
The rotator cuff tendons enclose the shoulder joint on all sides except _______________, which explains in part the nature of most shoulder dislocations.
Radial (lateral) and ulnar (medial) collateral ligaments restrict side-to-side movements of the ______________ joint.
The ________________ deepens the socket of the hip joint and helps stabilize the joint.
the fibular (lateral) collateral ligament
This image shows an anterior view of the right tibiofemoral joint. What does "5" represent?
the medial meniscus
This image shows an anterior view of the right tibiofemoral joint. What does "3" represent?
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