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Pelvis, Hip

Muscles and movements

MuscleOriginInsertionMovementJointMisc. Info
Sartorius Anterior superior iliac spine Proximal medial tibia (inferior to the condyle) (pes anserinus) Flexion, abduction, lateral rotation; flexion Anterior hip, anterior knee Longest muscle in body; "tailor's" muscle; pes anserinus (goose foot)
Tensor fasciae latae Anterior external rim of iliac crest Lateral tibial condyle via iliotibial band Flexion, abduction, medial rotation Anterior hip
Rectus femoris Anterior inferior iliac spine Patella and tibial tuberosity via patellar ligament Flexion; extension Anterior hip, anterior knee Quadriceps femoris muscle; "kicking" muscle
Iliopsoas Iliacus: iliac fossa; psoas major: lumbar vertebrae (T12-L5); psoas minor: transverse processes of L1-L5 Lesser trochanter Flexion Anterior hip Strongest hip flexor; 3 muscles: iliacus, psoas major, psoas minor; important for standing, walking, running
Pectineus Superior ramus of pubis Proximal medial femur, lesser trochanter to linea aspera Flexion, adduction Hip Superior to adductor group
Adductor brevis Body/inferior ramus of pubis Proximal linea aspera Adduction, flexion Hip Adductor group; superficial to adductor magnus; most superior of "adductors"
Adductor longus Pubic tubercle Medial lip of linea aspera (medial 1/3) Adduction, flexion Hip Adductor group; most anterior of adductor group; inserts inferior to adductor brevis
Adductor magnus Inferior ramus of pubis, ischial tuberosity Linea aspera (anterior); adductor tubercle (posterior) Adduction (both); flexion; extension Hip Adductor group; adductor hiatus (opening between femur and adductor magnus to allow for passage of femoral vessels from anterior to poster thigh)
Gracilis Inferior ramus of pubis, ischial ramus Proximal medial tibia (pes anserinus) Adduction; flexion Hip, posterior knee Baker's knee (catchers); pes anserinus (goose foot)
Gluteus maximus Posterior sacrum/ilium (posterior gluteal line) Iliotibial band (upper); gluteal tuberosity (lower) Extension, lateral/external rotation Hip Gluteal muscle
Gluteus medius Lateral ilium Greater trochanter Abduction; medial rotation/flexion (anterior); lateral rotation/extension (posterior) Hip Gluteal muscle; important in bipedal gait; Trendelenberg Gait (if one side is weaker, shift center of mass to weak side and swing out strong leg to walk); deep to gluteus maximus
Gluteus minimus Lateral ilium Anterior surface of greater trochanter Abduction, medial rotation Hip Gluteal muscle (smallest); deep to gluteus maximus and gluteus medius
Piriformis Anterior sacrum, greater sciatic notch Greater trochanter Lateral rotation Hip One of six deep lateral rotators
Superior gemellus Ischial spine Medial surface of greater trochanter Lateral rotation Hip One of six deep lateral rotators
Obturator internus Ischiopubic ramus Medial aspect of greater trochanter Lateral rotation Hip One of six deep lateral rotators
Inferior gemellus Ischial tuberosity Greater trochanter via obturator internus Lateral rotation Hip One of six deep lateral rotators
Obturator externus Medial side of obturator foramen Greater trochanter Lateral rotation Hip One of six deep lateral rotators
Quadratus femoris Ischial tuberosity Intertrochanteric crest Lateral rotation Hip One of six deep lateral rotators (strongest)
Semimembranosus Ischial tuberosity Proximal posterior medial tibia Extension (hip); flexion (knee) Posterior hip, posterior knee Medial hamstrings; originates deep to conjoined tendon of biceps femoris and semitendinosus
Semitendinosus Ischial tuberosity (share with biceps femoris long head) Pes anserinus (medial tibia) Extension (hip); flexion (knee) Posterior hip, posterior knee Medial hamstrings; superficial to semimembranosus
Biceps femoris (long head) Ischial tuberosity (shared with semitendinosus) Lateral condyle of tibia, head of fibula Extension (hip), flexion (knee) Posterior hip, posterior knee Lateral hamstrings
Created by: ktpognc



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