-
What does the pectoral girdle include?
Clavicle & scapula
-
Anteriorly the medial end of each clavicle meets the?
Sternum
-
The distal end of each clavicle meets the ________ laterally
scapulae
-
Each clavicle is cone shaped at it medial Sternal end which attaches to the
Sternal manubrium
-
Each clavicle is flattened at its lateral Acromial end which articulates with the
scapulae
-
Scapulae is the?
Shoulder blade
-
Describe the superior border of the scapula
is the shortest, sharpest boarder
-
Describe the medial or vertebral border of the scapula
parallels the vertebral column
-
Describe the lateral or Axillary border of the scapula
abuts the armpit and ends superiorly in a small shallow Fossa, the glenoid cavity
-
Pertaining to the scapula: The superior scapular angle border meets the medial border at the
superior angle
-
Pertaining to the scapula: The lateral border meets at the
lateral angle.
-
Pertaining to the scapula: The medial and lateral boarders join at the
inferior angle.
-
The glenoid cavity fits what?
Head of humerus
-
The anterior or costal surface of the scapula is concave and relatively featureless. On the posterior surface there a prominent _________that is felt easily thought the skin.
- spine
- On the posterior surface of the scapula there is a spine that end laterally in an enlarged roughened triangular projection called the
- Acromion
-
The acromion articulates with the Acromial end of the
Clavicle
-
Projecting Anteriorly from the superior scapular border is the
Coracoids process �little finger bent�
-
The coracoid process helps anchor the biceps muscle of the arm. It is bounded by the ________medially and by the glenoid cavity laterally.
Suprascapular notch
-
The_____________and __________ fossae are inferior and superior respectively to the spine.
infraspinous and supraspinous
-
The __________is the shallow concavity formed by the entire anterior scapular surface.
subscapular fossa
-
Infraglenoid tubercle is located where?
Bottom of the glenoid cavity
-
Supraglenoid tubercle is located where?
Top of the glenoid cavity
-
The______, the sole bone of the arm, is a typical long bone. The largest, longest bone of the upper limb, it articulates with the scapula at the shoulder and with the radius and ulna at the elbow.
Humerus
-
A the proximal end of the humerus is its smooth, hemispherical ________, which fits into the glenoid cavity of the scapula in a manner that allows the arm to hang freely at ones side.
Head
-
Immediately Anteriorly inferior to the head is a slight constriction called the
Anatomical neck
-
Just inferior to the anatomical neck on the lateral side is the
Greater tubercle
-
Just inferior to the anatomical neck medially is the
- lesser tubercle.
- The greater tubercle and the lesser tubercle are separated by the
- Intertubercular Sulcus or bicipital grove
-
Just distal to the tubercles is the
Surgical neck
-
About midway down the shaft on its lateral side is the
Deltoid tuberosity
-
Nearby the deltoid tuberosity is the _________ which runs obliquely down the posterior aspect of the shaft, marking the course of the radial nerve.
Radial grove
-
At the distal end of the humerus are two condyles. A medial ______, which looks like an hourglass on its side, and the lateral ball-like _______.
-
The trochlea articulates with the
Ulna
-
The capitulum articulates with the
Radius
-
Both of the epicondyles (trochlea and capitulum) are flanked by the
Medial and lateral epicondyles
-
The ulnar nerve which runs behind the _________ is responsible for the tingling sensation you experience when you hit your �funny bone�
Medial epicondyle
-
Superior to the trochlea on the anterior surface is the___________, and on the posterior surface is the_______.
- Coronoid fossa
- Olecranon fossa
-
A small________, lateral to the coronoid fossa receives the head of the radius when the elbow is flexed.
radial fossa
-
The proximal ends of the ulna and radius articulate with the
Humerus
-
The distal end of the ulna and radius articulate with the
Wrist
-
The radius and ulna are connected along their entire length by
Interosseus membrane
-
In the anatomical position, the radius lies_________ and the ulna __________.
- laterally (the thumb side)
- medially (pinky side)
-
The ulna has two prominent processes
Olecranon (elbow) and coronoid process
-
The olecranone and the coronoid processes are separated by a deep concavity, the _____.
Trochlear notch
-
On the lateral side of the coronoid process is a small depression, the _________, where the ulna articulates with the head of the radius.
Radial notch
-
Distally he ulnar shaft narrows and ends in a knoblike
Head
-
Medial to the ulnar head is the _______, from which a ligament runs to the wrist.
Styloid process
-
The radius is thin at its proximal end and wide distally, the opposite of the ulna. The ______of the radius is shaped somewhat like the head of a nail. The superior surface of it is concave and articulates with the capitulum of the humerus.
Head
-
Medially, the head articulates with the ______of the ulna.
radial notch
-
Just inferior to the head of the radius and the radius neck is the
Radial tuberosity
-
Distally, where the radius is expanded it has a medial
Ulnar notch
-
The ulnar notch articulates with the ulna and a lateral
Styloid process
-
The skeleton of the had includes the bones of the
- Carpus (wrist)
- Metacarpus (palm)
- Phalanges (bones of fingers)
-
The carpus consist of eight marble sized short bones or ____closely united by ligaments
Carpals
-
The carpals are arranged in two irregular rows of four bones each. In the proximal row (lateral to medial) are the:
- Scaphoid (boat shaped)
- Lunate (moon like)
- Triquetrium (triangular)
- Pisiform (pea shaped)
-
Only the _____ and ____ articulate with the radius to form the wrist joint
Schapoid and lunate
-
The carpals of the distal row (lateral to medial) are the:
- Trapezium (little table)
- Trapezoid (four sided)
- Capitates (head-shaped)
- Hamate (hooked)
-
-
-
How are the metacarpals numbered?
1-5 from thumb to pinky
-
The bases of the metacarpals articulate with the ________ proximally and each other medially and laterally. Their bulbous heads articulate with the proximal _______of the fingers.
-
The fingers of digits of the upper thumb are numbered 1 to 5 beginning with the thumb or pollex. In most people the third finger is the longest. Each finger has three phalanges:
- Distal, middle and proximal
- The thumb does not have which phalanx?
- Middle
-
How many bones in phalanges?
14
-
The _______ attached to the lower limbs to the axial skeleton, transmits the full weight of the upper body to the lower limbs and supports the visceral organs of the pelvis.
Pelvic girdle
-
The pelvic girdle is formed by a pair of hip bones called an
Os coxae or Coxal bone
-
The point of fusion of the ilium, ischium and the pubis is a deep hemispherical socket called the
Acetabulum
-
The ________ receives the head of the femur or the thigh bone, at this hip joint.
Acetabulum
-
The _____ is a large flaring bone that forms the superior region of the coxal bone.
Ilium
-
The _____ is where you rest your hands on your hips.
Iliac crest
-
Each iliac crest ends anterior in a blunt
anterior superior iliac spine.
-
Each iliac crest ends posteriorly in a sharp
posterior superior iliac spine
-
Inferior to the anterior superior iliac spine is the
Anterior inferior iliac spine
-
Inferior to the posterior superior iliac spine is the
Posterior inferior iliac spine
-
Just inferior to the posterior inferior iliac spine, the ilium indents deeply to form the
Greater sciatic notch
-
The medial surface of the ilium exhibits a concavity called the
- Iliac fossa
- Posterior to iliac fossa is the roughened
- Articular surface �ear shaped�
-
The _______forms the posteroinferior part of the hip bone.
Ischium
-
Roughly L or arc-shaped it has a thicker superior body adjoining the ilium and a thinner inferior
Ischial ramus
-
The ischial ramus joins the ______ anteriorly.
Pubis
-
The ______ projects medially into the pelvic cavity
Ischial spine
-
Just inferior to the ischial spine is the
Lesser sciatic notch
-
The inferior surface of the ischial body is rough and grossly thickened as the
Ischial tuberosity
-
The _____ forms the anterior portion of the hip bone.
Pubis
-
Escentiallly the pubis is V shaped with __________and ___________ issuing from its flattened medial body.
Superior and inferior rami
-
The anterior border of the pubis is thickened to form the
Pubic crest
-
The large opening in the hip bone is the
Obturator foramen
-
The bodies of the two pubic bones are joined by a fibrocatilage disc, forming the midline_______.
Pubic symphasis.
-
The _____ is the single bone of the thigh, it is the largest, longest and strongest bone in the body.
Femur
-
The ball like ____ of the femur has a small central pit called the ______.
-
The head of the femur is carried on a _______ that angles laterally to join the shaft.
Neck
-
At the junction of the shaft and neck are lateral ____________ and posteromedial ________.
- Greater trochanter
- Lesser trochanter
-
The two trochaners are connected by the _______________Anteriorly and by the prominent _______posteriorly.
- Intertrochantic line
- Intertrochantric crest
-
Inferior to the intertrochantric crest on the posterior shaft is the __________ which bends into a long vertical ridge the ________________________ inferiorly.
- Gluteal tuberosity
- Linea aspera
-
Distally, the femur broadens and end in a wheel-like _______and ______, which articulate with the tibia of the leg
Lateral and medial condyles
-
The ____________and __________ flank the condyles superiorly.
medial and lateral epicondyles
-
On the superior part of the medial epicondyle is a bump, the
Adductor tubercle
-
The smooth ________________, between the condyles on the anterior femoral surface, articulates with the patella.
Patellar surface
-
Between the condyles on the posterior aspect of the femur is the deep, U-shaped _________.
Intercondylar fossa
-
The two parallel bones, the tibia and fibula form he skeleton of the leg, the lower limb between the knee and ankle. These two bones are connected by ____________ and articulate with each other proximally and distally.
Interosseious membrane
-
The ____ is the shinbone, which receives the weight of the body from the femur and transmits it to the foot.
Tibia
-
At its broad proximal end are the concave _____ and ______, which look like two huge checkers laying side by side.
Medial and lateral condyles
-
The medial and lateral condyles of the tibia are separated by an irregular projection, the
Intercondylar eminence
-
Just inferior to the condyles, the tibia�s anterior surface displays the rough ________, to which the patellar ligament attaches.
Tibial tuberosity
-
Distally the tibia is flat where it articulates with the _____ bone of the foot.
Talus
-
The ________ forms the medial bulge of the ankle.
Medial malleolus
-
The _______, on the lateral surface of the tibia, participates in the distal tibiofibular joint.
Fibular notch
-
The ______ is a sticklike bone with slightly expanded ends. It articulates proximally and distally with the lateral aspects of the tibia.
Fibula
-
The proximal end of the fibula is its
Head
-
The distal end of the fibula is the
Lateral malleolus
-
Inferior to the talus is the
Calcaneus
-
The top part of the patella is the
Base
-
The bottom part of the patella is the
Apex
-
The _________ of the patella articulates with the femur.
Articular surface
-
The skeleton of the foot includes the bones of the
- Tarsus
- Metatarsals
- Phalanges
-
The tarsus is made up of 7 bones called
Tarsals
-
The talus is the _____ which articulates with the tibia and fibula superiorly and the strong ______ which form the ____ of the foot and carries the talus on the upper surface.
-
The tarsals include:
Cuboid, navicular, medial cuneiform, intermediate cuneiform and lateral cuneiform.
-
The cuboid and cuneiform bones articulate with the _____________ anteriorly.
Metatarsal bones
-
The metatarsus consists of 5 small long bones called ________ numbered 1-5 beginning with the big toe side.
Metatarsals
-
There are 14 phalanges of the toes. There are three phalanges in each digit except the
Hallux which only has proximal and distal
-
The 3 phalanges are named as?
Proximal, middle and distal.
-
The arches of the foot are?
Articular angles of the tarsals and metatarsals
-
What does the medial longitudinal arch consist of?
Calcaneous , talus, navicular, 1-3 cuneiforms and the 1st three metatarsals
-
What does the lateral longitudinal arch consist of?
Calcaneus, cuboid, and 1-3 cuneiforms
-
What does the transverse arch consist of
Base of metatarsals, cuboid, and 1-3 cuneiforms
-
The arches of the foot are supported by
Ligament ands some muscular and tendon support
-
What do the arches do for the body?
Distribute weight evenly between the heel and the metatarsals.
-
Flat feet are a result of?
1 or more fallen arches due to excessive strain on tendons and ligaments.
-
What is an articulation?
- Joint
- Any junction between 2 components of the skeleton; bone-bone, bone-cartilage, bone-teeth
-
Joints are classified by
Structure and function
-
Name the three kinds of joints
- Fibrous joint
- Cartilaginous joint
- Synovial joint
-
Describe the fibrous joint
No cavity; fibrous CT
-
Describe the cartilaginous joint
No cavity; cartilage
-
Describe he synovial joint
Synovial cavity present; articular capsule
-
What does joint function mean?
Degree of movement
-
Name the three kinds of functions for joints
- Synarthrosis
- Amphiarthrosis
- Diarthrosis
-
-
Amphiarthrosis
Slightly movable
-
Diarthrosis
Freely movable
-
Name the specific types of fibrous joints
- Sutures
- Syndesmosis
- Gomphosis
-
Describe a suture
Immovable; short CT; sagital suture
-
Describe syndesmosis
- Slightly movable (to �immovable with give�);
- Degree of movement depends on length of CT fibers;
- Distal tibiofibular joint
-
Gomphosis
- Immovable; teeth in socket;
- Periodontial ligament (short CT)
-
What are the specific types of cartilaginous joints?
-
Describe snchondrosis
- Immovable;
- Hyaline cartilage;
- Epiphyseal plate and sternum and rib 1
-
Describe symphasis
- Slightly movable;
- Fibrocartilage;
- Pubic symphasis
-
______are those in which the articulating bones are separated by a fluid-containing joint cavity.
- Synovial joints
- glassy-smooth hyaline cartilage covers the opposing bone surfaces in a synovial joint as
- articular cartilage
-
The joint cavity is enclosed by two layers articular capsules, or joint capsules. The external layer is a ________.
Fibrous capsule
-
The fibrous capsule attaches to the
periosteum
-
The synovial membrane is formed by
Loose CT, elastic fibers and adipocytes
-
The synovial membrane produces
Synovial fluid
-
The synovial fluid functions include?
Lubrication of the joints and nourishes the cartilage
-
The intrinsic ligament is what and does what?
- Thickenings of the articular capsule
- Stabilizes the joint
-
The extra capsular ligament occurs where?
Outside the articular capsule and help stabilize the joint
-
Articular discs or cartilages (fibrocartilages), or menisci do what?
Extend inward from the articular capsule and partially or completely divide the synovial cavity into two, channel the flow of synovial fluid and allow for variations in articular surface shapes.
-
The labrum (fibrocatilage) � glenoid labrum do what?
Deepens the articular surface of the bones
-
What are the determinants of synovial joint movement?
- Structure or shape of articulating surface
- Strength and tension (tautness) of the joint ligaments
- Muscle arrangements and tension
- Apposition of soft parts
- Hormones
-
Flexion
Bending or decreasing the angle between bones or parts
-
Extension
Straightening of bent part of increasing the angle between bones or parts
-
Supination
- Rotates radius laterally around its long axis
- Palms faces anterior
-
Pronation
- Rotates radius medially around its long axis
- Palm faces posteriorly
-
Dorsiflexion
Upward movement of the foot or toes
-
Plantarflexion
Downward movement of the foot or toes
-
Eversion
Turning the plantar surface of the away from the median plane
-
Inversion
Turning the plantar surface of the foot toward the median plane
-
Abduction
- Movement of the digits away from the median plane
- (spread fingers or toes apart)
-
Adduction
- Movement of the digits toward the median plane
- (Bring fingers or toes together)
-
Rotation
Revolving of a part around its long axis
-
Lateral rotation/external rotation
Rotation away from the median plane
-
Medial rotation/internal rotation
Rotation toward the median plane
-
Protraction
Anterior of forward movement of the mandible
-
Retraction
Posterior of backward movement of the mandible
-
Elevation
Lifting, raising or moving a part (mandible ) superiorly
-
Depression
Lowering or moving a part (mandible) inferiorly
-
Glide
Side to side or back and forth
-
Circumduction
Movement if the body to create a �cone� in space
-
Bilateral contraction
Both side contraction
-
Unilateral contraction
One side contraction
-
Bone; Articulating bones; Structural type; functional type; Distal tibiofibular joint
- Tibia and fibula
- Fibrous; syndesmosis
- Amphiarthrosis
-
Bone; Articulating bones; Structural type; functional type; Intervertebral joint
- Between adjacent centra
- Cartilaginous; symphasis
- Amphiarthrosis
-
Bone; Articulating bones; Structural type; functional type; Pubic symphasis
- Pubic bones
- Cartilaginous; symphasis
- Amphiarothisis
-
Bone; Articulating bones; Structural type; functional type; skull
- Cranial and facial bones
- Fibrous; suture
- Synarthrosis
-
Bone; Articulating bones; Structural type; functional type; Sternalcostal joint
- Sternum and rib 1
- Cartilaginous; synchondrosis
- Synarthrosis
-
Bone; Articulating bones; Structural type; functional type; �The rest are�
Synovial and diarthrosis
-
Describe skeletal muscle tissue
Long cylindrical cells; Multi nucleated cells; Nucleus is peripherally placed; cross striations are obvious;
-
What are the functions of skeletal muscle tissue?
Voluntary movement ; Locomotion; manipulation of environment; facial expression; voluntary control.
-
What is the location of skeletal muscle tissue?
Attaches to bones
-
Describe cardiac muscle tissue
Branching, striated, generally uninucleated cells that interdigitate at specialized junctions (intercalated discs)
-
What is the function of cardiac muscle?
As it contracts it propels blood into the circulation; involuntary control.
-
What is the location of cardiac muscle?
The walls of the heart
-
Describe smooth muscle.
Spindle-shaped cells with central nuclei; no striations; cells arranged closely to form sheets.
-
What is the function of smooth muscle?
Propels substances or objects (foodstuffs, urine, a baby) along internal passageways; involuntary control.
-
What is the location of smooth muscle cells?
Mostly in the walls of hallow organs.
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