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Amazing mutation: The third claw of the biceps is present in 10% of the human body, what does this mean?
Biceps brachii, also known as the upper arm biceps, is located in front of the upper arm and is an important muscle that is mainly responsible for the flexion, extension and rotation of the arm. Many people may know that this muscle consists of two parts: long and short. However, studies have found that about 10% of the human body have a mutated third-cep muscle. This phenomenon is not only eye-catching in biology, but also attracts widespread attention in the fields of medicine and exercise science.
The biceps are one of the most variable muscles in the human body, and the presence of the third head may affect strength and flexibility.
Structure and Function of Biceps
The main functions of the biceps are to flex the elbow and rotate the forearm, especially when upper limb movements, the participation of the biceps is indispensable. Its two heads, each originating from different positions of the scapula, will combine in the middle of the upper arm to form a common muscle abdomen.
Mutation of the third cep
For the presence of the third cep, researchers found that it usually originates from the humerus near the short head. In some rare cases, reports have pointed out that there can even be four to seven supernumbered muscle heads.
The function of this variant has not been fully analyzed, but may have an impact on motor performance, joint stability and strength.
It is worth noting that the frequency of this variation occurs in women and men is similar, and the distribution on both sides of the body is also relatively uniform. This means that relevant genetic or environmental factors may also affect men and women.
Clinical significance and exercise training
This variant may affect the risk of muscle injury in some cases, especially when heavy objects are lifted or fast movements. Clinically, active or passive damage to the biceps will affect the patient's daily life, and exercise training can help strengthen the relevant muscle groups and reduce the risk of injury.
Training for biceps such as bicep curls and pull-ups can effectively strengthen muscle strength.
Why is this variation worth paying attention to?
In the past, the medical community had a relatively simple understanding of biceps, but this discovery of this variation reminded us that the human body structure is highly variable. As the research deepens, we may reexamine traditional anatomy’s understanding of biceps function and its role in the overall motor system.
About these findings, what makes us think is: Should these muscle variations be taken into account in future sports training and rehabilitation, so as to design training procedures and treatment methods more effectively?
