Dissectible Me 5 minute anatomy

• Pelvic floor anatomy

  The pelvic floor (or pelvic diaphragm) describes the structures at the lowest point of the pelvis, largely muscles, that support the pelvic organs directly and everything else inside the torso. Let's explain concisely the important anatomy here.

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  6:05

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  6:05
• Finger tendon pulleys and trigger finger anatomy

  The flexor tendons of the fingers run into synovial tunnels that let them move freely as we strengthen and relax our grip. These tunnels are tied down to the bone by some extraordinarily strong annular and cruciform pulleys that keep the tendons close to the bone. Let's describe their anatomy and their naming. 

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  6:08

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  6:08
• Arches of the foot

  There are 3 arches in the foot: a medial longitudinal arch, a lateral longitudinal arch and a transverse arch. Why do humans have arches in their feet? What's the anatomy here? 

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  6:02

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  6:02
• Plantar aponeurosis or plantar fascia

  The plantar aponeurosis (or plantar fascia) is a very strong connective structure on the sole of the foot, deep to the skin, running from the heel bone to the toes. It protects the structures in the plantar foot, supports the longitudinal arches and returns stored energy during the gait cycle to improve the efficiency of walking and running. It can be injured leading to pain anterior to the calcaneus on the plantar foot and a condition called plantar fasciitis. 

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  5:58

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  5:58
• Uterus anatomy

  The uterus lies in the pelvis and has three layers. The endometrium is a specialised layer able to receive a blastocyst and with it form a placenta to support a growing foetus. The myometrium is a thick smooth muscle layer able to stretch to match the growth of the developing foetus and then expel it at birth. The perimetrium is a thin covering to the uterus that is largely peritoneum. The cervix is the entrance to the body of the uterus and the uterine tubes connect to the ovaries. Ligaments, endopelvic fascia and the levator ani muscle group all support the uterus. 

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  5:55

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