Solved Questions And Answers 2025
Rectus femoris - Answer - -Origin: Anterior inferior ilias spine (AIIS)
-Insertion: Tibial tubercle (via patellar tendon)
-Actions: concentric knee extension, hip flexion & anterior pelvic tilt
Eccentric control of knee flexion (squat, step-down)
Iliopsoas - Answer - -Origin: Inner surface of ilium
-Insertion: Lesser trochanter of femur
-Actions: Concentric hip flexion; anterior pelvic tilt
Eccentric control of hip extension
Tensor fascia latae (Iliotibial band) - Answer - -Origin: Anterior iliac crest
-Insertion: Gerdy's tubercle (proximal anterolateral tibial condyle), w/ a few slips to patella
-Actions:Hip abduction, flexion, IR
Tenses the ITB, which helps transmit regional muscle force
Gluteus maximus - Answer - -Origin: posterior iliac crest; posterior sacrum & coccyx
-Insertion: Greater trochanter of femur; iliotibial band
-Actions: Concentric hip extension & external rotationl posterior pelvic tilt
Eccentric controls hip flexion
Gluteus medius - Answer - -Origin: Lateral iliac crest