When talking about the anatomical structure of bone, what is another name for compact bone.
Cancellous
Subchondral
Cortical
trabecular
The Cancellous part of bone is spongy or trabecular and is located in the middle of irregular bone.
Which are considered long bones?
Sternum
Humerus
Tibia
Ulna
Which part of the bone is not present in adults?
Diaphysis
Epiphysis
Metaphysis
What location on a long bone is the diaphysis ?
Distal end
Shaft
Proximal end
Is not present on long bones
A ligament is considered a fibrous connective tissue
A major fibrous insoluble protein in your body is called what?
Albumin
Collagen
Keratin
Myosin
Which types of collagen are mostly needed for musculoskeletal tissues?
Type 6
Type 1
Type 2
Type 9
Type 3
The various collagens and the structures they form all serve the same purpose, to help tissues withstand stretching.
A protein functions in connective tissue with collagen. It is an important part in the function of and .
Ligaments do not restrict joint motion or stabilizes the joint.
Which ligament connects the femur with the fibula?
Anterior cruciate ligament
Lateral collateral ligament
Posterior cruciate ligament
Medial collateral ligament
Which ligament is the lower attachment to the tibia?
Ligaments have high cellularity but low vascularity.
Which collagen type makes up ligaments?
Tendons and Ligaments are weakest between days 5 - 21 of the healing process.
What would you classify as Grade 3 ?
Mild ligament sprain
Complete ligament tear
Moderate ligament sprain
Partial ligament tear
Which ligament stabilizes the meniscus?
Medial Collateral Ligament
Lateral Collateral Ligament
Posterior Cruciate Ligament
Anterior Cruciate Ligament
MCl and LCL provide stability to the knee in the plane
Which is the largest and strongest ligament of the knee.
ACL
PCL
MCL
LCL
The lateral collateral ligament resists external rotation and restrains varus stress
Joint motion is produced by forces being transferred from muscle to bone via tendons.
Which types of collagen is found in tendons?
Tendons contain collagen and elastin than ligaments. Tendons are stronger but elastic than ligaments.
Which is not a key function of articular cartilage
Increases mobility
decreases friction/ loads
interface of the bones that form joints
provides smooth articulation
Which collagen type makes up articular cartilage by 90%
Type 4
What produces and maintains the cartilage matrix and is a mature cell.
chondroblasts
chondrocytes
fibroblasts
myocytes
Articular cartilage has a higher level of proteoglycans.
Articular cartilage has nervous and vascular tissue.
fluid provides nutrition for articular cartilage.
Does hyaline cartilage heal?
yes
no
Hyaline cartilage is only found on the articular surfaces of bones.
What are the functions of the menisci?
Reduce friction
Reduce tension
Provide stability
Disperse body weight
Which protein forms muscle
Elastin
All nerves contain both myelinated and unmyelinated sensory/ motor fibers
What is the largest joint in the body?
Shoulder
Hip
Knee
Ankle
Which bone of the hip makes up for the larger portion of it?
Ischium
Pubis
Illium
Acetabulum
The femoral neck is angled at a certain degree. What degree is normal?
115
126
140
124
The is a fibrous cartilage ring which lines the acetabular socket.
Which ligament connects the pelvis to the femoral head at the front of the joint?
iliofemoral
pubofemoral
ischiofemoral
ligamentum teres
The Iliofemoral Ligament limits over-flexion of the hip.
Which hip ligament is triangular shaped
is the ligament that has a small artery within it that supplies blood to a part of the femoral head.
The femoral nerve is in the posterior portion of the hip
The nerve is in the posterior portion and can radiate pain to the feet.
Which arteries are in the gluteal & posterior thigh?
Superior gluteal artery
Inferior gluteal artery
Internal pudendal artery
All of the above
Which are the three basic muscle groups of the hip?
Medial
Lateral
Posterior
Anterior
Inferior
Which hip muscles connect to the patellofemoral Joint.
Sartorius
Glueteals
Tensor Fascia Latae
Quadriceps
The quadriceps are the longest muscle in the human body
Hamstrings are responsible for flexion of the knee and they are a posterior muscle group.
Where do the hamstrings originate?
ilium
ischium
pubis
femoral head
IT Band stands for tract. It is an essential in stabilizing your while walking and running.
A Fibrous, inelastic, sheath surrounding the thigh muscles is called a fascia lata. It does not limit the bulging of thigh muscles
Fluid filled sacs lined with synovial membrane which produce synovial fluid are called
The lower leg deformity that exists when the bone at the knee joint is angled out and away from the body's midline.
Varus Knee
Valgus Knee
Patellofemoral Instability
Fixed Flexion deformity
Varus Knee is when your tibia turns inward instead of aligning with your femur which will cause your knees to turn outward.
What do you call the network of nerves in the shoulder that carries movement and sensory signals from the spinal cord to the arms and hands, neck trauma can cause injury to it.
Axillary nerve
Median nerve
Brachial plexus
Suprascapular nerve
Which term describes the hand down, with the back of the hand forward and radius crosses over the top of the ulna?
Supination
Pronation
What is the main artery of your shoulder?
Brachial artery
Suprascapular artery
Axillary artery
Thoracoacromial artery
Fracture repair is a healing process rather than a tissue regeneration process.
Hard cartilaginous starts to be replaced by woven bone (fibrous bone) around which day?
day 20
day 7
day 35
day 14
AT 8 weeks (if proper stabilized and adequate blood supply), most long bone fractures achieve union
How many steps are there to bone repair?
4
3
5
7
In which step of bone repair does chemoattraction growth factors recruit undifferentiated stem cells, and white blood cells clean damaged tissue?
Step 1
Step 4
Step 2
Step 3
All bones are constantly remodeled—for a long bone, like the femur, complete remodeling takes about 10 years
“Bone grows in response to mechanical stress to better accommodate that stress.” This is called law.
A significant amount of scar tissue also forms where the muscle was injured.
What tissue is usually affected in a rotator cuff injury?
Ligament
Nerve
Tendon
Cartilage
Tendons can heal on their own.
When bones of the leg twist in opposite directions under your full body weight which tissue will be injured
What tissue provides the majority of support for the shoulder complex?
Bone
Muscle
Which sets of motion can the shoulder preform?
Extension/ flexion
adduction/ abduction
internal rotation/ external rotation
Which long bone has the most motion compared to the others?
Femur
Distal humerus is the anchor for important muscle, tendons and ligaments?
Thin pear shaped bone of the shoulder?
Acromion
Labrum
Coracoid Process
Glenoid
The humeral head articulates no more than % of articular surface in any position with the glenoid.
Which muscles make up the anterior view of the rotator cuff?
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
Which nerve is believed to be a source of Rotator cuff impingement pain?
Axillary Nerve
Suprascapular Nerve
Musculocutaneous Nerve
Lateral Pectoral Nerve
Which muscles make up the posterior view of the rotator cuff?
Teres Minor
What are the four shoulder joints called?
Glenohumeral
Acromioclavicular
Sternoclavicular
Scapulothoracic
Acromiothoracic
Label the nerves and blood vessels of the knee.
If I am naming these nerves and blood vessels, which part of the body am I referring to? [ Axillary vein/ artery, Brachial Plexus, Cephalic vein, Brachial vein/artery ]
What is it called when a bone is fractured into 2 or more parts and it has shifted so the ends are not lined up straight?
Comminuted
Segmental
Non Displaced
Displaced
When a bone is fractured in two places where there is a floating segment you would call this a segmental or multi fragmented fracture.
For a fracture to be considered Comminuted how many breaks or pieces does there need to be?
5 or more
2 or more
3 or more
4 or more