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Lower Limb Muscles
Published in Eve K. Boyle, Vondel S. E. Mahon, Rui Diogo, Handbook of Muscle Variations and Anomalies in Humans, 2022
Eve K. Boyle, Vondel S. E. Mahon, Rui Diogo, Malynda Williams
Pectineus is typically innervated by the femoral nerve (Standring 2016). It may also be innervated by the accessory obturator nerve, when present, and sometimes from a branch of the obturator nerve (Standring 2016). If divided into two parts or layers, the deep layer (also referred to as dorsal or medial) is innervated by the obturator nerve, and the superficial layer (also referred to as ventral or lateral) is innervated by the femoral nerve (Ochiltree 1912; Bergman et al. 1988; Standring 2016; du Plessis and Loukas 2016).
Hip Pain
Published in Benjamin Apichai, Chinese Medicine for Lower Body Pain, 2021
Nerve innervation: The femoral nerve, L2 and L3 (Wikipedia 2019). It may sometimes receive additional innervation from the obturator nerve called the accessory obturator nerve (20% of the population) (Wikipedia 2019).
Blocks of Nerves of the Lumbar Plexus Supplying the Lower Extremities
Published in Bernard J. Dalens, Jean-Pierre Monnet, Yves Harmand, Pediatric Regional Anesthesia, 2019
Bernard J. Dalens, Jean-Pierre Monnet, Yves Harmand
The obturator nerve is primarily a motor nerve, but it may contribute significant sensory supply to the hip, to the medial aspect of the thigh, to the medial aspect of the femur, and even to the leg (when it provides a twig to the saphenous nerve). Occasionally, an accessory obturator nerve may supply the pectineus muscle and the hip joint.
Comparison between pericapsular nerve group block and morphine infusion in reducing pain of proximal femur fracture in the emergency department: A randomized controlled study
Published in Egyptian Journal of Anaesthesia, 2023
Abdelrhman Alshawadfy, Ahmed M. Elewa, Mahmoud Ahmed Mewafy, Ahmed A. Ellilly
Our findings were in accordance with earlier studies denoting that PENG block provided better analgesia than other modalities during hip arthroplasty. Aliste at al. [18], Hua et al. [19], and Mostaffa et al. [20] have reported that PENG block was more effective than the iliac fascia block. Allard et al. [21] and Lin et al. [22] have found that PENG block was more effective than femoral nerve block in the management of hip fractures’ pain. Fascia iliaca compartment block and femoral nerve block have moderate analgesic effect as these blocks spare the obturator nerve. Meanwhile, PENG block relieves pain by blocking branches from the femoral nerve, obturator nerve, and accessory obturator nerve that mainly innervate the anterior hip joint [10]. Reasonably speaking, PENG block did not include sensory branches of the femoral nerve that are distal to the groin. As a result, it can provide an ideal analgesia without reducing the patient’s muscle strength, enabling the patient’s postoperative functional recovery [23]. In addition, the supine position, which is essential for patients with acute femur fractures is a specific benefit of the PENG block [11].
Comparison between pericapsular nerve group block and fascia iliaca compartment block for perioperative pain control in hip surgeries: A meta-analysis from randomized controlled trials
Published in Egyptian Journal of Anaesthesia, 2023
PENG blockade was originally created for pain reduction and analgesia supplementation to those who had hip fractures. The block is applied in the supine position, which is appropriate for individuals suffering from acute or persistent pain after hip fractures; this is one of the technique key benefits. It also has a motor-sparing action since it only affects the sensory branches of the accessory obturator nerve and femoral nerve [14].