Hip Bone - Human Anatomy - Muscle Attachments

Muscle Attachments

Several muscles attaches to the hip bone including the internal muscles of the pelvic, abdominal muscles, back muscles, all the gluteal muscles, muscles of the lateral rotator group, hamstring muscles, two muscles from the anterior compartment of the thigh and even a single shoulder muscle.

Abdominal muscles

  • The abdominal external oblique muscle attaches to the iliac crest.
  • The abdominal internal oblique muscle attaches to pecten pubis.
  • The transversus abdominis muscle attaches to the pubic crest and pecten pubis via a conjoint tendon

Back muscles

  • The multifidus muscle in the sacral region attaches to the medial surface of posterior superior iliac spine, the posterior sacroiliac ligaments and several places to the sacrum.

Gluteal muscles

  • The gluteus maximus muscle arises from the posterior gluteal line of the inner upper ilium, and the rough portion of bone including the iliac crest, the fascia covering the gluteus medius (gluteal aponeurosis), as well as the sacrum, coccyx, the erector spinae (lumbodorsal fascia), the sacrotuberous ligament.
  • The gluteus medius muscle: originates on the outer surface of the ilium between the iliac crest and the posterior gluteal line above, and the anterior gluteal line below. The gluteus medius also originates from the gluteal aponeurosis that covers its outer surface.
  • Gluteus minimus muscle originates between the anterior and inferior gluteal lines, and from the margin of the greater sciatic notch.

Lateral rotator group

  • The piriformis muscle originates from the superior margin of the greater sciatic notch (as well as the sacroiliac joint capsule and the sacrotuberous ligament and part of the spine and sacrum.
  • The superior gemellus muscle arises from the outer surface of the ischial spine
  • The obturator internus muscle arises from the inner surface of the antero-lateral wall of the hip bone, where it surrounds the greater part of the obturator foramen, being attached to the inferior rami of the pubis and ischium, and at the side to the inner surface of the hip bone below and behind the pelvic brim, reaching from the upper part of the greater sciatic foramen above and behind to the obturator foramen below and in front. It also arises from the pelvic surface of the obturator membrane except in the posterior part, from the tendinous arch, and to a slight extent from the obturator fascia, which covers the muscle.
  • The inferior gemellus musclearises from the upper part of the tuberosity of the ischium, immediately below the groove for the obturator internus tendon.
  • The obturator externus muscle arises from the margin of bone immediately around the medial side of the obturator foramen, from the rami of the pubis, and the inferior ramus of the ischium; it also arises from the medial two-thirds of the outer surface of the obturator membrane, and from the tendinous arch.

Hamstrings

  • The long head biceps femoris arises from the lower and inner impression on the back part of the tuberosity of the ischium, by a tendon common to it and the semitendinosus, and from the lower part of the sacrotuberous ligament;
  • The semitendinosus arises from the lower and medial impression on the tuberosity of the ischium, by a tendon common to it and the long head of the biceps femoris; it also arises from an aponeurosis which connects the adjacent surfaces of the two muscles to the extent of about 7.5 cm. from their origin.
  • The semimembranosus arises from the lower and medial impression on the tuberosity of the ischium

Anterior compartment of thigh

  • The rectus femoris muscle arises by two tendons: one, the anterior or straight, from the anterior inferior iliac spine; the other, the posterior or reflected, from a groove above the rim of the acetabulum.
  • The sartorius muscle arises by tendinous fibres from the anterior superior iliac spine,

Shoulder muscles

  • The latissimus dorsi muscle atteches to the iliac crest and severeal places on the spine and ribs.

Read more about this topic:  Hip Bone, Human Anatomy

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