HEAD NECK
OSTEOLOGY OF HEAD NECK
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Flexor Profundis
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Flexor Superficialis
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Either A or B
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None of the above
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Detailed explanation-1: -Flexor digitorum profundus lies deep to the superficialis, but it attaches more distally. Therefore, profundus’s tendons go through the tendons of superficialis, and end up attaching to the distal phalanx. For this reason profundus is also called the perforating muscle.
Detailed explanation-2: -The flexor palmaris longus muscle originates from the medial epicondyle of the humerus. The palmaris longus attaches to the palmar aponeurosis and the transverse carpal ligament. The long flexor muscles contract and manifest flexion in the hand.
Detailed explanation-3: -Flexor digitorum superficialis can flex each finger it serves independently. [1] The flexor digitorum superficialis is one of the long flexors of the digits along with the flexor digitorum profundus. The flexor digitorum profundus flexes the digits slowly.
Detailed explanation-4: -Pronator teres muscle The pronator teres is the most laterally placed muscle of the superficial anterior forearm muscles. It consists of two heads (humeral and ulnar) each of which originates from a separate site.