Coxal Bone and Joint Structures Quiz

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Questions and Answers

What do the ilium, ischium, and pubis fuse to form?

Patella

Tibia

Femur

Coxal bone (correct)

What is known as the sit down bone of the coxal bone?

Ischium

What is the pubic symphysis?

Point where the coxal bones join anteriorly

What is the ilia crest?

Superiormost margin of the coxal bone Signup and view all the answers

What is the function of the acetabulum?

Deep socket in the coxal bone that receives the head of the thigh bone Signup and view all the answers

What is the sacroiliac joint?

Joint between axial skeleton and pelvic girdle Signup and view all the answers

Which bones form the knee joint?

Femur, tibia Signup and view all the answers

What is the tibial tuberosity?

Point where the patellar ligament attaches Signup and view all the answers

What is the patella commonly known as?

Kneecap Signup and view all the answers

What is the tibia also known as?

Shinbone Signup and view all the answers

What is the medial malleolus?

Medial ankle projection Signup and view all the answers

What is the lateral malleolus?

Lateral ankle projection Signup and view all the answers

What is the largest tarsel bone?

Calcaneus Signup and view all the answers

What do tarsals refer to?

Ankle bones Signup and view all the answers

What do metatarsals form?

Bones forming the instep of the foot Signup and view all the answers

What is the obturator foramen?

Opening in hip bone formed by the pubic and ischial rami Signup and view all the answers

What serves as a site of muscle attachment on the proximal femur?

Gluteal tuberosity and greater/lesser trochanters Signup and view all the answers

What is the function of the talus?

Tarsal bone that articulates with the tibia Signup and view all the answers

What is the weight-bearing bone of the leg?

Tibia Signup and view all the answers

What are the wrist bones known as?

Carpals Signup and view all the answers

How many phalanges do humans have?

14 Signup and view all the answers

How many carpals are there?

8 Signup and view all the answers

What is C1 also known as?

Atlas Signup and view all the answers

What is C2 also known as?

Axis Signup and view all the answers

What do cervical vertebrae refer to?

C1-C7 Signup and view all the answers

What do thoracic vertebrae refer to?

T1-T12 Signup and view all the answers

What do lumbar vertebrae consist of?

L1-L5 Signup and view all the answers

What shapes the posterior wall of the pelvis?

Sacrum Signup and view all the answers

What are true ribs?

Seven rib pairs that attach directly to the sternum Signup and view all the answers

What are false ribs?

Remaining five pairs of ribs that attach to the sternum indirectly Signup and view all the answers

What are floating ribs?

Ribs with no anterior attachments Signup and view all the answers

Study Notes

Coxal Bone Components

Ilum, ischium, and pubis fuse to form the coxal bone.
Ischium is known as the sit-down bone of the coxal bone.
Pubic symphysis is the junction where the coxal bones join anteriorly.

Coxal Bone Features

Iliac crest is the superiormost margin of the coxal bone.
Acetabulum is the deep socket in the coxal bone that receives the head of the femur.
Sacroiliac joint serves as the connection between the axial skeleton and the pelvic girdle.

Knee Joint Structures

Femur and tibia are the bones that form the knee joint.
Tibial tuberosity is the site where the patellar ligament attaches.
Patella is commonly referred to as the kneecap.
Tibia, also known as the shinbone, carries the weight of the leg.

Ankle and Foot Bones

Medial malleolus is the projection on the medial side of the ankle.
Lateral malleolus is the projection on the lateral side of the ankle.
Calcaneus is the largest tarsal bone, commonly referred to as the heel.
Tarsals include the medial cuneiform, intermediate cuneiform, lateral cuneiform, cuboid, talus, calcaneus, and navicular.
Metatarsals form the instep of the foot.

Hip Bone Anatomy

Obturator foramen is an opening in the hip bone formed by the pubic and ischial rami.
Gluteal tuberosity, along with greater and lesser trochanters, are sites for muscle attachment on the proximal femur.
Talus articulates with the tibia and sits on top of the calcaneus.

Upper Limb Structure

Carpals are wrist bones summarized as: Scaphoid, Lunate, Triquetrum, Pisiform, Trapezium, Trapezoid, Capitate, Hamate.
Deltoid tuberosity is a raised area on the lateral surface of the humerus for deltoid muscle attachment.
Acromion is the part of the scapula that connects to the clavicle.
Humerus is the long bone of the arm.

Girdles and Forearm

Shoulder girdle consists of clavicle and scapula.
Forearm bones include the radius and ulna.
Scapula is unattached to the axial skeleton.
Clavicle transmits forces to the bony thorax.

Shoulder Structure

Glenoid cavity is the depression in the scapula that articulates with the humerus.
Coracoid process is located above the glenoid cavity, allowing muscle attachment.

Humerus Features

Trochlea is the distal condyle of the humerus that articulates with the ulna.
Ulna is the medial bone of the forearm in the anatomical position.
Capitulum is the rounded knob on the humerus that adjoins the radius.
Coronoid fossa is an anterior depression that receives part of the ulna when the forearm is flexed.

Hand Anatomy

Phalanges are the bones of the fingers and toes, totaling 14.
Metacarpals form the knuckles in the hand.

Rib Types and Vertebral Column

True ribs (7 pairs) attach directly to the sternum via individual costal cartilages.
False ribs (5 pairs) attach to the sternum indirectly (ribs 8-10).
Floating ribs (last 4 pairs) have no anterior attachments.
Cervical vertebrae consist of C1-C7, with C1 known as atlas (carries the skull) and C2 known as axis.
Thoracic vertebrae are T1-T12, which articulate with the ribs.
Lumbar vertebrae (L1-L5) support most weight due to their massive bodies.
Sacrum comprises 5 fused vertebrae, shaping the posterior wall of the pelvis.

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Description

Test your knowledge on the components and features of the coxal bone, knee joint structures, and the ankle and foot bones. This quiz covers essential anatomy concepts that are fundamental for understanding human skeletal structure. Prepare to enhance your grasp of these important anatomical features.