Human Anatomy and Kinanthropometry Flashcards
Name the 4 components of skeletal system
Bone tissue
Appendicular skeleton
Axial skeleton
Joints
Name the 6 functions of the skeletal system
Support
Protection
Movement
Mineral homeostasis
Blood cell production
Triglyceride storage
What are the two main minerals stored in bones?
Calcium
Phosphorus
What 3 cell types are produced in the bone marrow?
Red blood cells
White blood cells
Platelets
What is the process of producing blood cells in the bone marrow called?
Haematopoiesis
Name the 4 categories for bones
Long
Short
Flat
Irregular
Name the 7 components of bones
Bone tissue
Periosteum
Endosperm
Articular cartilage
Blood vessels
Nervous tissue
Adipose tissue
What is bone (osseous) tissue made up of?
80% compact, dense, cortical bone
20% spongy trabecular bone
What is bone extracellular matrix composed of?
85-90% collagen type 1 fibres
What is the role of collagen in the bone’s extracellular matrix?
High tensile strength
Bone modelling and remodelling
What is the bone cellular matrix composed of?
50-70% mineral
20-40% organic matter
5-10% water
3% lipids
What is the mineral content of bones mostly?
Hydroxyapatite (mix of calcium phosphate and calcium hydroxide)
What is bone modelling?
The process by which bones change their overall shape in response to physiological influences or mechanical forces, leading to gradual skeletal adjustment
What is bone remodelling?
The process where the bone is renewed to maintain bone strength and mineral homeostasis
Name 4 bone cells that are integral to bone modelling and remodelling
Osteoprogenitor
Osteoblasts
Osteocytes
Osteoclasts
What is the appendicular skeleton’s primary function?
Movement
Name some features of a long bone
Hollow shaft (diaphysis)
Flared, cone-shaped metaphysic below growth plates (epiphyseal line)
Rounded epiphyses above growth plates
Articular cartilage covers epiphysis
What is diaphysis?
A collar of dense cortical bone around a central medullary cavity
What are metaphysics and epiphysis?
Composed of trabecular bone surrounded by a relatively thin shell of dense cortical bone
How many phalanges does a single upper extremity contain?
14 (proximal, intermediate and distal)
How many metacarpals does a single upper extremity contain?
5
How many carpals does a single upper extremity contain?
8
Name the other 5 bones that make up the upper limb
Radius, ulna, humerus, scapula, clavicle
How many phalanges does a single lower extremity contain?
14 (proximal, intermediate and distal)
How many metatarsals does a single lower extremity contain?
5
How many tarsals does a single lower extremity contain?
7
Name the other 6 bones of the lower limb (including 3 hip bones)
Fibula, tibia, femur, ilium, ischium and pubis
Name the 2 functions of the axial skeleton
Protect key organs
Calcium storage and release
What is a fibrous joint?
Articulating bones are united by dense, irregular connective tissue (mainly collagen)
What is the degree of movement at a fibrous joint?
Varies from immovable to slightly movable
What are the 2 types of fibrous joints?
Sutures
Syndesmoses
What is a cartilaginous joint?
A joint characterised by the presence of a solid piece of hyaline cartilage or fibrous cartilage that unites the articulating bones
What is the degree of movement at a cartilaginous joint?
Varies from immovable to slightly movable
What are the two types of cartilaginous joints?
Synchondroses
Symphyses
What is a synovial joint?
Two-layered articular capsule that unites the articulating bones and surrounds a lubricated space called an articular cavity. Lubrication is supplied by the inner layer of the articular capsule
What is the range of movement at a synovial joint?
Ranges from slightly movable to freely movable
What are the 6 types of synovial joint?
Plane
Hinge
Pivot
Ellipsoid
Saddle
Ball and socket
Give an example of a fibrous joint
Radio-ulnar joint (interosseous membrane - wrist)
Give an example of a cartilaginous joint
Intervertebral joint
Give an example of a synovial joint
Femoro-tibial joint (knee)
Superior Definition
Towards the head, or upper part of a structure
Inferior Definition
Away from the head, or the lower part of a structure
Anterior Definition
Nearer to / at the front of the body
Posterior Definition
Nearer to / at the back of the body
Medial Definition
Nearer to the midline of the body
Lateral Definition
Further from the midline
Intermediate Definition
Between 2 structures
Ipsilateral Definition
On the same side of the body as another structure
Contralateral Definition
On the opposite side of the body from another structure
Proximal Definition
Nearer to the attachment of a limb to the trunk/nearer to the origination of a structure
Distal Definition
Farther from the attachment of a limb to the trunk/further from the origination of a structure
Superficial Definition
Towards/ on the surface of the body
Deep Definition
Away from the surface of the body
What is the supine position?
Lying on your back
What is the prone position?
Lying on your front
What is the anterior view of the body?
The forward facing image of the body
What is the posterior view of the body?
The backward facing image of the body
What region of the body does the cephalic region refer to?
Head
What region of the body does the cervical region refer to?
Neck
What region of the body does the brachial region refer to?
Arm
What region of the body does the carpal region refer to?
Wrist
What region of the body does the thoracic region refer to?
Chest
What region of the body does the abdominal region refer to?
Abdomen
What region of the body does the pelvic region refer to?
Pelvis
What region of the body does the palmar or volar region refer to?
Palm of hand
What region of the body does the digital or phalangeal region refer to?
Fingers/Toes
What region of the body does the femoral region refer to?
Thigh
What region of the body does the inguinal region refer to?
Groin
What region of the body does the pubic region refer to?
Pubis
What region of the body does the crural region refer to?
Leg
What region of the body does the tarsal region refer to?
Ankle
What region of the body does the pedal region refer to?
Foot
What region of the body does the vertebral region refer to?
Spinal Column
What region of the body does the sacral region refer to?
Between the hips
What region of the body does the dorsal region refer to?
Back
What does the ‘rectus’ directional characteristic of the muscle refer to relative to the body’s midline?
Parallel to midline
What does the ‘transverse’ directional characteristic of the muscle refer to relative to the body’s midline?
Perpendicular to midline
What does the ‘oblique’ directional characteristic of the muscle refer to relative to the body’s midline?
Diagonal to midline
What does ‘maximus’ refer to in the size of the muscle?
Largest
What does ‘minimus’ refer to in the size of the muscle?
Smallest
What does ‘longus’ refer to in the size of the muscle?
Long
What does ‘brevis’ refer to in the size of the muscle?
Short
What does ‘latissimus’ refer to in the size of the muscle?
Widest
What does ‘longissimus’ refer to in the size of the muscle?
Longest