Bones of the lower limbs

Bones of the lower limbs

Bones of the lower limbs are connected to the trunk by the pelvis.

Biology

Keywords

bones of the limbs, appendicular skeleton, limb, skeleton, femur, kneecap, tibia, fibula, foot bones, pelvis, pelvic girdle, sacrum, basin, metatarsal bones, tarsal bones, phalanx bones, Pelvic bone, pubis, ischium, joint, fusion, bone marrow, human, anatomy, biology

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Scenes

Lower limbs and pelvis

  • sacrum - It is formed by the fusing of five sacral vertebrae. The sacrum, coccyx and the hip bones form the pelvis, which connects the spine with the lower limbs.
  • hip bone - It consists of three fused paired bones. The sacrum, coccyx and the hip bones form the pelvis, which connects the spine with the lower limbs.
  • femur - It is the longest bone of the human body. The head of the femur fits into the hip bone.
  • tibia - The frontal, larger and stronger bone of the two bones in the lower leg, bearing most of the body weight. Its lower extremity forms the medial part of the ankle joint.
  • patella - A sesamoid bone found in the knee. It is attached to the tibia by the patellar ligament. The extensor muscles of the thigh are attached to it.
  • fibula - The thinner bone of the two bones in the lower leg. Its lower extremity forms the lateral part of the ankle joint.
  • bones of the foot - These bones carry the weight of the body while walking and standing. Their arched shape provides their load-bearing ability.

Pelvis

  • sacrum - It is formed by the fusing of five sacral vertebrae. The sacrum, coccyx and the hip bones form the pelvis, which connects the spine with the lower limbs.
  • pubis - Due to their narrower pelvis, the angle of the pubic bones is acute in men, whereas it is obtuse in women. The hip bone is made up by the ischium, the ilium and the pubis fused together. The hip bones, the sacrum and the coccyx form the pelvis, which connects the spine with the lower limbs.
  • ilium - The pelvis of women is wider than that of men, therefore women's hips are usually wider, which is an important secondary sex characteristic. The hip bone is made up by the ischium, the ilium and the pubis fused together. The hip bones, the sacrum and the coccyx form the pelvis, which connects the spine with the lower limbs.
  • ischium - When sitting, the main mass of the body rests on this bone. The hip bone is made up by the ischium, the ilium and the pubis fused together. The hip bones, the sacrum and the coccyx form the pelvis, which connects the spine with the lower limbs.
  • tailbone (coccyx) - A bone attached to the sacrum, it is composed of 3–5 fused coccygeal vertebrae.

Femur and patella

  • neck of the femur - Its fracture - especially in old age - heals slowly. Long-term bedrest can have serious complications, it may lead to pneumonia.
  • head of the femur - It is covered by cartilage. It fits into the hip bone.
  • shaft of the femur
  • greater trochanter - It provides a surface for the muscle to attach to. Because women's pelvis is wider than men's, there is a greater distance between the greater trochanters of women.
  • lesser trochanter
  • patella - It is attached to the tibia by the patellar ligament. The thigh extensor muscle is attached to the patella.

Tibia

  • medial malleolus

Fibula

  • lateral malleolus

Bones of the foot

  • tarsal bones - There are 7 of these bones in the human foot. The largest one is the heel bone. The bones of the foot are the tarsal bones, the metatarsal bones and the phalanx bones. The tarsal and metatarsal bones are arranged in an arch, which provides their load-bearing ability. It is necessary since the entire weight of the body is held by the feet when walking or standing. The condition in which the arch collapses is called flat feet or fallen arch.
  • metatarsal bones - There are five of these bones in the foot. The bones of the foot are the tarsal bones, the metatarsal bones and the phalanx bones. The tarsal and metatarsal bones are arranged in an arch, which provides their load-bearing ability. It is necessary since the entire weight of the body is held by the feet when walking or standing. The condition in which the arch collapses is called flat feet or fallen arch.
  • phalanx bones - There are 14 of these bones in the human foot: two in the big toe, while three in the other toes. Toes play an important role in keeping the balance when walking.

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Skeleton and internal organs

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