appendicular skeleton Flashcards
there are a total of 206 bones in the body. how many are there in the appendicular skeleton?
126
what does the appendicular skeleton consist of?
the appendicular skeleton consists of bones that form the limbs and the pectoral and pelvic girdles.
what does the pectoral (shoulder) girdle consist of?
The pectoral or shoulder girdle consists of the scapulae and clavicles. These bones provide attachment for muscles that move the shoulders and upper limbs.
what is the shoulder girdles only connection with the rest of the skeleton?
The shoulder girdles only connection with the rest of the skeleton in between the clavicle and manubrium, so it relies on muscles to support and position it correctly.
what is the only bone of the arm?
the only bone of the arm in the humerus, which articulates with the forearm bones - the radius and ulna - at the elbow joint.
what are the eight carpal bones of the campus (wrist)?
lunate, scaphoid, trapezium, trapezoid, capitate, hamate, triquetral, and pisiform.
how do the male and female pelvises differ?
The female pelvic brim is larger and wider and the angle of the pubic arch is greater (over 90⁰). The male pelvis is deeper, with a smaller pelvis brim, a narrower pelvic outlet, and a pubic arch angle of less than 90⁰.
what bones is the thigh and leg made of?
The femur is the only bone of the thigh. It articulates with the tibia and fibula at the knee joint. At the knee, the patella supports the quadriceps tendon.
how many bones does the tarsus (ankle) consist of?
7 tarsal bones
foot arches
The arches of the foot are shock-absorbing structures of bones and ligaments that support body weight and distribute stress evenly during walking. The longitudinal arch runs from the calcaneus to the heads of the metatarsals, and has a medial and lateral part. The traverse arch runs across the cuneiforms and the base of the metatarsal bones.
what do the bones of the foot consist of?
The bones of the foot consist of the metatarsals and the phalanges that make up the toes.
