Overview
How many bones make up the appendicular skeleton?
126
2 scapulae + 2 clavicles
arms + hands are made up of what bones?
Humerus, ulna, radius, carpals, metacarpals, phalanges
What bones is the pelvic girdle composed of?
two coxal bones
this bone is the longest and strongest in the human body, and is classified as a long bone
femur
The 4 components that make up the appendicular skeleton include what?
Pectoral girdle, upper limbs, pelvic girdle, lower limbs
What is the joint that anchors the pectoral girdle to the axial skeleton?
The sternoclavicular joint
This landmark found on the ulna is the 'point of the elbow'
olecranon process
What is the name of the joint that anchors the pelvic girdle to the axial skeleton?
The sacroiliac joint
What is the name of the bone that makes up the kneecap?
the patella
What are the primary functions of the appendicular skeleton?
mobility, manipulation, weight transfer
What is the only long bone in the body that lies in a horizontal position?
Clavicle
This landmark on the radius is the point for bicep muscle attachment
radial tuberosity
The hip bones are formed by the fusion of 3 different bones, what are they?
The ilium, the pubis, and the ischium
the medial malleolus is a feature of which bone, and what surface feature of the ankle does it form?
tibia; inner ankle bone
Which girdle is adapted to have a higher range of motion, but sacrifices stability as a result?
Pectoral girdle
What is the joint that connects the clavicle to the scapula?
acromioclavicular joint
How many bones are in a human hand, what are they, and how many of them are in each hand?
27 bones total. 8 carpals, 5 metacarpals, 14 phalanges per hand
The name of the deep socket in each hip bone that connects the femur to the coxal bones is called what?
how many bones make up a human foot? what are these bones called, and how many of them are in each foot?
26 bones total. 7 tarsals, 5 metatarsals, and 14 phalanges in each foot
How does the appendicular skeleton work together with the axial skeleton to allow movement and support of the body?
the axial skeleton supplies stability, protection, and support, while the appendicular skeleton supplies mobility, with some supportive features
What is the name of the shallow socket that connects the scapulae to the humerus?
The glenoid cavity
The thumb does not have this bone, that all other fingers do have, what is it?
middle phalange
what is the name of the large openings in the ischium that allows for passage of nerves and vessels
obturator foramen
This bone does not bear any major weight, but is mainly for stabilization of the ankle
fibula