Kin 325 1st Edition Lecture 7 Outline of Last Lecture I Last few concepts of the knee short lecture Outline of Current Lecture I Intro to Nervous System II Nerves Leg Nerves Thigh Nerves Lumbar Plexus Sacral Plexus Functions of Main Nerves III Arteries Lower Extremity Arteries Current Lecture The Nervous System Split into two main parts The Central Nervous System Brain Spinal Cord The Peripheral Nervous System Somatic Autonomic Sympathetic and Parasympathetic Leg Nerves Anterior Deep peroneal Lateral Superficial Peroneal These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Posterior Tibial for deep and superficial muscles Thigh Nerves Gluteal Superior gluteal Inferior gluteal 1st 2nd Sacral Sacral plexus Anterior Femoral Lumbar Plexus psoas Medial Obturator Tibial Part of sciatic hamstring Posterior Tibial part of sciatic Common peroneal of sciatic short head of biceps femoris Plexus Network of peripheral nerves innervates a specific region Cervical neck Brachial arm Lumbosacral lower extremities Lumbar Plexus Nerves think I twice Get Laid On Fridays Iliohypogastric T12 L1 Innervates Transverse abdominis Abdominal internal oblique Ilioinguinal L1 Innervates Transverse abdominis Abdominal internal oblique Genitofemoral L1 L2 Lateral Femoral Cutaneous L2 L3 Obturator L2 L4 Innervates Adductor brevis and longus Gracilis Pectineus Adductor magnus Femoral L2 L4 Innervates Iliopsoas Pectineus Sartorius Quadriceps femoris Sacral Plexus Nerves Order from Superior to Inferior Superior Gluteal L4 S1 Innervates Gluteus medius and minimus Tensor fascial latae Inferior Gluteal L5 S2 Innervates Gluteus maximus Sciatic L4 S3 Innervates Semitendinosus Semimembranosus Biceps femoris Adductor magnus Tibial L4 S3 Innervates Plantaris Popliteus Tibalis posterior Flexor digitorum longus and hallucis longus Common Fibular L4 S2 Posterior Femoral Cutaneous S1 S3 Innervates Muscles of pelvic floor Levator ani Superficial and Deep transverse perineal Bulbospongiosus Ischiocavnernosus Sphincter anus Urethral sphincter Pudendal S2 S4 Innervates Muscles of pelvic floor Levator ani Superficial and Deep transverse perineal Bulbospongiosus Ischiocavnernosus Sphincter anus Urethral sphincter Coccygeal Plexus S5 Co1 Innervates Coccygeus Coccygeal Innervates Coccygeus Functions of Main Nerves Obturator hip adduction Femoral knee extension Pelvic hip adduction flexion and extension Sciatic knee flexion divides into peroneal and tibial nerves just above the knee Peroneal foot dorsiflexion eversion and extension Tibial plantar flexion toe flexion foot inversion Lower Extremity Arteries Superior to inferior External Iliac Deep Femoral Popliteal Tibial anterior posterior