Retrieval Quiz 20

What muscles perform acetabulofemoral joint flexion?

Iliopsoas, rectus femoris, sartorius, pectineus, and tensor fascia latae

What muscles perform acetabulofemoral joint extension?

Gluteus maximus, semimembranosus, semitendinosus, and biceps femoris

What muscles perform acetabulofemoral joint abduction?

Sartorius, gluteus medius, gluteus maximus, and tensor fascia latae

What muscles perform acetabulofemoral joint adduction?

Pectineus, adductor longus, adductor brevis, adductor magnus, and gracilis

What muscles perform acetabulofemoral joint internal rotation?

Gluteus medius and gluteus minimus

What muscles perform acetabulofemoral joint external rotation?

Sartorius and gluteus maximus

What are the anterior muscles of the acetabulofemoral joint?

Iliopsoas, rectus femoris, and sartorius

What are the posterior muscles of the acetabulofemoral joint?

Gluteus maximus, semimembranosus, semitendinosus, and biceps femoris

What are the medial muscles of the acetabulofemoral joint?

Pectineus, tensor fascia latae, gluteus medius, gluteus minimus, adductor longus, adductor brevis, adductor magnus, and gracilis

How many deep rotator muscles are in the acetabulofemoral joint?

6

Iliopsoas

Origin: iliac fossa (iliacus) and transverse processes, bodies, and discs of T12-L5 (psoas major). Insertion: lesser trochanter

Rectus Femoris

Origin: anterior inferior iliac spine. Insertion: tibial tuberosity

Sartorius

Origin: anterior superior iliac spine. Insertion: pes anserine

Pectineus

Origin: superior ramus of pubis. Insertion: pectineal line of femur

Adductor Longus

Origin: anterior pubis. Insertion: middle third of linea aspera

Adductor Brevis

Origin: inferior ramus of pubis. Insertion: pectineal line and proximal linea aspera

Adductor Magnus

Origin: ischial tuberosity, inferior ramus of pubis, and ramus of ischium. Insertion: linea aspera and adductor tubercle

Gracilis

Origin: symphysis and inferior ramus of pubis. Insertion: pes anserine

Gluteus Maximus

Origin: posterior sacrum, coccyx, and ilium. Insertion: posterior superior femur

Gluteus Medius

Origin: lateral iliac crest. Insertion: lateral superior greater trochanter

Gluteus Minimus

Origin: lateral surface of ilium. Insertion: anterior greater trochanter

Semimembranosus

Origin: ischial tuberosity. Insertion: posterior medial condyle of tibia

Semitendinosus

Origin: ischial tuberosity. Insertion: pes anserine

Biceps Femoris

Origin: ischial tuberosity and lateral linea aspera. Insertion: head of fibula and lateral condyle of tibia

Tensor Fascia Latae

Origin: anterior superior iliac spine. Insertion: iliotibial band to lateral condyle of tibia (Gerdy’s tubercle)