Abductors & Rotators of the Thigh Flashcards
Attachments and Main Action/s
Gluteus Maximus
Attachments:
Superior/Proximal: Ilium & Posterior Gluteal Line & Dorsal Sacrum
Inferior/Distal: Iliotibial Tract
Action:
Extends/Steadies Thigh & Assists Lateral Rotation
Gluteus Medius
Attachments:
Superior/Proximal: External Ilium
Inferior/Distal: Lateral Greater Trochanter
Action:
Abduct and Medially Rotate Thigh & Keep Pelvis Level when on one leg & Advance leg in swing phase
Gluteus Minimus
Attachments:
Superior/Proximal: External Ilium
Inferior/Distal: Anterior Greater Trochanter
Action:
Abduct and Medially Rotate Thigh & Keep Pelvis Level when on one leg & Advance leg in swing phase
Tensor Fascia Latae
Attachments:
Superior/Proximal: ASIS
Inferior/Distal: Iliotibial Tract
Action:
Abduct and Medially Rotate Thigh & Keep Pelvis Level when on one leg & Advance leg in swing phase
Piriformis
Attachments:
Superior/Proximal: Anterior Sacrum
Inferior/Distal: Superior Greater Trochanter
Action:
Laterally Rotate and Extend Thigh & Abduct Flexed Thigh & Steady Head in Acetabulum
Obturator Internus
Attachments:
Superior/Proximal: Obturator Membrane
Inferior/Distal: Medial Greater Trochanter
Action:
Laterally Rotate and Extend Thigh & Abduct Flexed Thigh & Steady Head in Acetabulum
Gemelli
Attachments:
Superior/Proximal:Superior Part to Ischial Spine & Inferior Part to Ischial Tuberosity
Inferior/Distal: Medial Greater Trochanter
Action:
Laterally Rotate and Extend Thigh & Abduct Flexed Thigh & Steady Head in Acetabulum
Quadratus Femoris
Attachments:
Superior/Proximal: Lateral Ischial Tuberosity
Inferior/Distal: Quadrate Tubercle on Intertrochanteric Crest
Action:
Laterally Rotates Thigh & Steadies Head in Acetabulum
