![]() ![]() Perforating arteries of profunda femoris supply the majority of the muscleĪptly named, semitendinosus is half tendinous.Inferior gluteal artery supplies the superior portion of the muscle.Short head: common fibular division of the sciatic nerve.Long head: tibial division of the sciatic nerve.Lateral rotation at the hip and knee joint.Short head: lateral lip of the linea aspera.Long head: inferomedial part of the ischial tuberosity.The long head of biceps femoris protects the sciatic nerve as it passes from the gluteal region into the posterior compartment of the thigh. These muscle heads have different origins but join to form a palpable tendon on the lateral distal thigh inserting on to the head of the fibula. The biceps femoris is the most lateral muscle in the posterior compartment of the thigh and, as the term bicep suggests, has two heads: the long head and the short head. You might also be interested in our Anatomy Flashcard Collection which contains over 2000 anatomy flashcards in addition to advanced features such as spaced repetition. At the end of this article, we will also look at the clinical relevance of this anatomy in hamstring injuries. In this article, we will explore the anatomy of each of the hamstrings looking at their action, attachments, innervation and arterial supply. The perforating arteries supply the majority of the hamstring muscles whereas the inferior gluteal artery only supplies the superior portion. Collectively the hamstrings are innervated by the sciatic nerve (L5, S1, S2) and their arterial supply is derived from a combination of the inferior gluteal artery and the perforating arteries of profunda femoris. The actions of the hamstrings include hip extension, knee flexion and medial/lateral rotation at both joints. The term ‘hamstring’ came about as it was common to use the long tendons of these muscles to tie up hams or pork thighs for curing. Only logged in customers who have purchased this product may leave a review.The muscles of the posterior compartment of the thigh are the biceps femoris, semitendinosus and semimembranosus, more commonly referred to as the hamstrings. These notes should not be used or reproduced without written permission – “Copyright”. Gakwaya’s notes based on his 40+yrs experience in the medical field. Preferably use the words, “list, name, state, describe or create” and avoid using the words “how, what and explain”ĭownloadable products are not eligible for refunds. Formulate at least 2 questions from each learner outcome that you can answer swiftly and in great detail to show your understanding of the various topics. Sketch the diagrams repeatedly to master the subject.Ĥ. Please roundup to the nearest whole number. During your MTN/Airtel transaction, if your amount states “INVALID”. Please allow 4-6hrs to receive the link.Ģ. Thereafter, you will receive an email with a downloadable link to view the lesson. You will receive an email with a downloadable link to view the lesson.įor MTN or Airtel payments, please send your PAYMENT CONFIRMATION to WhatsApp +256 750034522 or email so we can COMPLETE your transaction. Make a payment via Pesapal (MTN, Airtel, Visa, Mastercard)ģ. – To produce a doctor who treats a client effectively & safelyĢ.
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