Table 1.
Basic characteristics of the analyzed material.
Fig 1.
Superior gluteal nerve, tree type, morphological age 157–23–VI, v–tub 182, v–pl 258, mass 450, female sex, magnification 20x, 1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle (branch to tensor fasiae latae muscle is better visible in Fig 2).
Fig 2.
Superior gluteal nerve, tree type, morphological age 162–24–VI, v–tub 190, v–pl 272, mass 512, male sex, magnification 30x, 1–gluteus medius muscle, 2–gluteus minimus muscle, 3–tensor fasciae latae muscle, red arrow–branch to glueus medius muscle, yellow arrow–another branch to gluteus medius muscle, blue arrow–branch to tensor fasciae latae muscle.
Fig 3.
Superior gluteal nerve, tree type, morphological age 184–27–VII, V–tub 220,V–pl 331.
124–18–V, V–tub 130,V–pl 190, mass 627, male sex, magnification 40x, –1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 4.
Superior gluteal nerve, tree type, morphological age 124–18–V, V–tub 130,V–pl 190, mass 140, male sex, magnification 30x.
1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 5.
Superior gluteal nerve, tree type, morphological age150–22–VI, v–tub 182,v–pl 258, mass 140, female sex, magnification x30, 1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 6.
Superior gluteal nerve bushy type, vertical course morphological age 162–24–VI, v–tub183, v–pl 270,mass 544, male sex, magnification 45x.
1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 7.
Superior gluteal nerve bushy type, vertical course, variform meshes of the net on the branch extending to gluteus medius morphological age 195–28–VII, v–tub 235,v–pl 337, mass 842, male sex, magnification 50 x, 1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 8.
Superior gluteal nerve bushy type, vertical course, morphological age 157–23–VI, v–tub182, v–pl 258, mass 450, female sex, magnification 20x, 1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 9.
Superior gluteal nerve bushy type, vertical coursemorphological age 164–24–VI,v–tub191, v–pl 269. mass 489, male sex, magnification 20x, 1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 10.
Superior gluteal nerve, bushy type, horizontal–oblique course, the net with variform meshes morphological age 169–25–VII,V–tub 200, V–pl 294,mass 690, male sex, magnification 20x.
1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 11.
Superior gluteal nerve, bushy type, horizontal–oblique course, the net with variform meshes, morphological age 169–25–VII,V–tub 200, V–pl 294,mass 690, male sex, magnification 20x.
Figs 10 and 11 are taken from both sides of the same specimen and are evidence of symmetry in the type of innervation., 1– gluteus medius muscle, 2– gluteus minimus muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 12.
Superior gluteal nerve, bushy type, horizontal course, morphological age 113–17–V, v–tub 110,V–pl 140,mass 120, male sex, magnification 50x 1–gluteus medius muscle, 2–gluteus minimus muscle, 3–tensor fasciae latae muscle, red arrow–branch to gluteus medius muscle, yellow arrow–branch to gluteus minimus muscle, blue arrow–branch to tensor fasiae latae muscle.
Fig 13.
Superior gluteal nerve, tree type–anatomical diagram of the nerve path (thanks to Julia Derkowska), 1–gluteus medius muscle, 2–gluteus minimus muscle, 3–tensor fasciae latae muscle.
Fig 14.
Superior gluteal nerve, bushy type–anatomical diagram of the nerve path (thanks to Julia Derkowska), 1–gluteus medius muscle, 2–gluteus minimus muscle, 3–tensor fasciae latae muscle.
Table 2.
Prevalence of superior gluteal nerve patterns in respect to sex and laterality.
The bold and italic text shows a statistically significant difference.
Table 3.
Width of the superior gluteal nerve branches to the particular muscles in respect to sex and laterality.
Fig 15.
Correlation diagrams for the width of the piriformis muscle (MP) and width of the main branch to the gluteus medius muscle (MED) with the age of the fetus.
Fig 16.
Correlation diagrams for the width of the piriformis muscle (MP) and width of the main branch to the gluteus medius muscle (MED) with the age of the fetus.
Fig 17.
Correlation diagrams for the width of the nerve branch to the tensor fasciae latae muscle (TFL) with the width of the piriformis muscle (MP), the width of the main branch to the gluteus medius muscle (MED), the average width of the branches emerging from the main trunk of the nerve to the gluteus minimus muscle (MINI) and the average total width of the branches departing from the main trunk of the examined nerve (MINI bis).
Fig 18.
Correlation diagrams for the width of the nerve branch to the tensor fasciae latae muscle (TFL) with the width of the piriformis muscle (MP), the width of the main branch to the gluteus medius muscle (MED), the average width of the branches emerging from the main trunk of the nerve to the gluteus minimus muscle (MINI) and the average total width of the branches departing from the main trunk of the examined nerve (MINI bis).
Table 4.
The correlation coefficients of the analyzed parameters with the age of the fetus.