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The fourth dorsal interosseus muscle originates from the medial side of shaft. The function of the muscle is to spread the toes. [10] The third Plantar interosseus muscle originates from the medial side of the base and shaft of the fifth metatarsal. The function of the muscle is to move the fourth toe medially and move the toes together. [10]
The diaphysis (pl.: diaphyses) is the main or midsection (shaft) of a long bone. It is made up of cortical bone and usually contains bone marrow and adipose tissue (fat). It is a middle tubular part composed of compact bone which surrounds a central marrow cavity which contains red or yellow marrow. In diaphysis, primary ossification occurs.
Three muscles attach to the first metatarsal bone: the tibialis anterior, fibularis longus and first dorsal interosseus. [3] The tibialis anterior inserts at the basis of the bone, while the fibularis longus inserts at the tuberosity. The lateral part of the first dorsal interosseus muscle originates from the medial side of the bone.
Skeletal System of Human Body Long bones are characterized by a shaft, the diaphysis, that is much longer than its width; and by an epiphysis, a rounded head at each end of the shaft. They are made up mostly of compact bone , with lesser amounts of marrow , located within the medullary cavity , and areas of spongy, cancellous bone at the ends ...
Above, the linea aspera is prolonged by three ridges. The lateral ridge is very rough, and runs almost vertically upward to the base of the greater trochanter.It is termed the gluteal tuberosity, and gives attachment to part of the gluteus maximus: its upper part is often elongated into a roughened crest, on which a more or less well-marked, rounded tubercle, the third trochanter, is ...
The function of the muscle is to move the third toe medially and move the toes together. [ 2 ] The horizontal head of the adductor hallucis also originates from the lateral side of the metacarpophalangeal joint and from the deep transverse metatarsal ligament , [ 2 ] a narrow band which runs across and connects together the heads of all the ...
Essentially, kegel exercises are a way of contracting the muscles of the pelvic floor, which give you greater control and intensity during sex. Try lifting your penis up and down with your muscles ...
The five metatarsals are dorsal convex long bones consisting of a shaft or body, a base (), and a head (). [3] The body is prismoid in form, tapers gradually from the tarsal to the phalangeal extremity, and is curved longitudinally, so as to be concave below, slightly convex above.