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Thigh Muscles
11.3--Muscle Groups
Term | Definition |
---|---|
Adductor Longus | Origin: Pubic Crest and Pubic Symphysis Insertion: Linea Aspera of Femur Action: Adducts, flexes and rotates; RMA--extends thigh |
Adductor Brevis | Origin: Inferior ramus of pubis Insertion: Linea Aspera of femur Action: Adducts thigh at hip joint and rotates thigh; anterior part flexes thigh at hip joint |
Adductor Magnus | Origin: Inferior ramus of pubis, ischium to ischial tuberosity Insertion: Lina Aspera of femur Action: Adduction, rotation, anterior flexion, posterior extension |
Pectineus | Origin: Superior ramus of pubis Insertion: Pectineal line Action: Flexion and adduction |
Gracilis | Origin: Body and inferior ramus of pubis Insertion: Medial surface of body of tibia Action: Adduction, medial rotation, and flexion at leg |
Quads--Rectus Femoris | Origin: Anterior inferior iliac spine Insertion: Patella and tibial tuberosity Action: extension; flexion at hip |
Quads--Vastus lateralis | Origin: Greater trochanter and linea aspera Insertion: Patella and tibial tuberosity |
Quads--Vastus Medialis | Origin: Linea aspera Insertion: Patella and tibial tuberosity |
Quads--Vastus Intermedius | Origin: Anterior and Lateral surfaces of femur Insertion: Patella and tibial tuberosity |
Sartorius | Origin: Anterior superior iliac spine |
Hamstring--Biceps femoris | Origin: Iscial tuberosity; linea aspera Insertion: Fibula and lateral condyle of tibia Action: Flexion of femur |
Hamstring--Semitendinosus | Origin: Ischial tuberosity Insertion: Proximal parts of medial surface of shaft of tibia Action: Flexion |
Hamstring--Smeimembranosus | Origin: Ischium Insertion: Tibia Action: Flexion |