Arm and Cubital Fossa, Anatomy and clinical application
The cubital fossa is a small triangular area located on the anterior surface of the elbow, with the apex of the triangle pointing distally. It contains some important structures, on their passage from the arm to forearm. Read the article to know more.
Nivedita Dar20 May, 2024
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Our arm if you ever wondered is made up of not 2 but 3 bones. The upper arm from your shoulder to your elbow has humerus bone and our forearm is actually made up two bones radius and ulna . All these bones have muscles attached to them with profuse blood supply
Biceps and Triceps.
Well if you ever been to a gym you would know having well developed biceps and triceps is such a big deal. Biceps muscles has two heads and triceps has three. Biceps attaches anteriorly on the arm and help in flexion simply curling of arm. Whereas triceps doesn't the opposite by extending or decurling the armFlexor and Extensors
Flexor and extensors are group of muscles which can make you invincible at arm wrestling if you train them well. Flexors are attached anteriorly and extensors posteriorly on forearm and they do flexion and extension at wrist joint. Pretty cool muscles.Cubital fossa
Its an depression in front of elbow which is a important anatomical landmark housing various important neurovascular structures of arm bounded by muscles on both sides. There is mnemonic to learn the sequence of structure which are seen if you go from medially to laterally. M- Median Nerve B-Brachial artery B-Biceps tendon R-Radial NerveArm and Cubital Fossa FAQs
What is venipuncture?
The Cubital fossa is a common site for sampling and transfusion of blood and intravenous injections because of the prominence and accessibility of the attending vein.
Which vein is most commonly accessed for venipuncture.
Medial Cubital vein in Cubital fossa is most commonly accessed for venipuncture.
Why diaphragm of stethoscope is placed over Cubital fossa while measuring blood pressure?
Stethoscope is placed over Cubital fossa to palpate the pulse of the brachial artery.
What is tennis elbow?
It’s the pain in the outer arms due to overuse of extensors of arm leading to pain and inflammation.
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