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Hamstrings
From WikiSM
(Redirected from Semitendinosus)
Bicep Femoris
- Origin
- Bicep Femoris (Short Head): Lateral lip of the linea aspera of the Femur
- Bicep Femoris (Long Head): Ischial Tuberosity
- Insertion
Semitendinosus
- Origin: Lower, medial surface of the Ischial Tuberosity
- Insertion: Medial Tibia at the Pes Anserinus
Semimembranosus
- Origin: Ischial Tuberosity [1]
- Insertion: Medial condyle of the Tibia [1]
Actions
- As a muscle group
- Stabilize the knee
- Activate at the last quarter of the gait cycle to generate hip extension and resist knee extension
- Resist anterior translation of the tibia (together with the Anterior Cruciate Ligament) [2]
- Individually, each muscle has its own role
- Bicep Femoris (Short Head)
- Knee flexion and lateral rotation of the tibia
- Bicep Femoris (Long Head)
- Knee flexion, lateral rotation of the tibia, and hip extension
- Semitendinosus
- Knee flexion, lateral rotation of the tibia, and hip extension
- Semimembranosus
- Knee flexion, lateral rotation of the tibia, and hip extension [1]
- Bicep Femoris (Short Head)
Artery
- Deep femoral artery
- Inferior Gluteal Artery
- Popliteal Artery
- Perforating Arteries
- Semitendiosus
- Deep Femoral Artery (first perforating branch)
- Medial Femoral Circumflex Artery
- Inferior Gluteal Artery
- Inferior Medical Geniculate Artery
- Semimembranosus
- Femoral Artery (perforating branches)
- Popliteal Artery (perforating branches)
Nerve
- Bicep Femoris: Short Head
- Common Fibular Nerve (common peroneal)
- Bicps Femoris: Long Head
- Tibial Nerve division of Sciatic Nerve
- Semitendiosus
- Tibial Nerve division of Sciatic Nerve
- Semimembranosus
- Tibial Nerve division of Sciatic Nerve
Clinical Significance
- Hamstring Strain
- Hamstring Tendonitis
- Hamstring autografts are used in Anterior Cruciate Ligament reconstruction [3]
- Ischial apophyseal avulsion fractures account for between 1.4-4% of hamstring injuries [4]
See Also
- Physical Exam Hip
- Hip Anatomy (Main)
- Hip Pain (Main)
- Physical Exam Knee
- Knee Anatomy (Main)
- Knee Pain (Main)
- ↑ 1.0 1.1 1.2 Rodgers CD, Raja A. Anatomy, Bony Pelvis and Lower Limb, Hamstring Muscle. [Updated 2019 Oct 4]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2020 Jan-.
- ↑ Koulouris G, Connell D. Hamstring muscle complex: an imaging review. Radiographics. 2005 May-Jun;25(3):571-86.
- ↑ Frank RM, Hamamoto JT, Bernardoni E, Cvetanovich G, Bach BR, Verma NN, Bush-Joseph CA. ACL Reconstruction Basics: Quadruple (4-Strand) Hamstring Autograft Harvest. Arthrosc Tech. 2017 Aug;6(4):e1309-e1313
- ↑ Liu H, Zhang Y, Rang M, Li Q, Jiang Z, Xia J, Zhang M, Gu X, Zhao C. Avulsion Fractures of the Ischial Tuberosity: Progress of Injury, Mechanism, Clinical Manifestations, Imaging Examination, Diagnosis and Differential Diagnosis and Treatment. Med. Sci. Monit. 2018 Dec 27;24:9406-9412.
Created by:
Connor Farrell on 5 February 2020 15:59:57
Authors:
Last edited:
6 October 2020 19:00:40
