MSK 1.1 Flashcards
This type of lever has the axis of rotation (fulcrum) between the effort (force) and resistance (load).
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
a. Class 1 Lever
Effort - Fulcrum - Load
This type of lever has the effort (force) between the axis of rotation (fulcrum) and the resistance (load).
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
c. Class 3 Lever
Load - Effort - Fulcrum
This type of lever has the resistance (load) between the axis of rotation (fulcrum) and the effort (force).
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
b. Class 2 Lever
Fulcrum - Load - Effort
Extending the head on the neck is an example of what type of level?
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
a. Class 1 Lever
E = Cervical Extensors F = Atlas C1 L = Head falling into flexion
Raising a loaded wheelbarrow is an example of what type of lever?
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
b. Class 2 Lever
F = front wheel of wheelbarrow L = weight in bucked of wheelbarrow E = pulling up on arms of wheelbarrow
A concentric bicep curl with a dumbbell is an example of what type of lever?
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
c. Class 3 Lever
L = dumbbell in hand E = biceps tendon insertion on radial tuberosity F = elbow joint (olecranon)
An overhead concentric triceps extension with a dumbbell is an example of what type of lever?
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
a. Class 1 Lever
E = triceps brachii insertion on olecranon F = elbow joint (olecranon) L = dumbbell in hand
Shoulder abduction with a dumbbell is an example of what type of lever?
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
c. Class 3 Lever
L = dumbbell in hand E = Deltoid insertion on humerous F = Shoulder Joint
Performing a heel raise is an example of what type of lever?
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
b. Class 2 Lever
F = midfoot L = bodyweight down through middle of heel E = gastrocsoleus insertion on calcaneous
A seesaw is an example of what type of lever?
a. Class 1 Lever
b. Class 2 Lever
c. Class 3 Lever
a. Class 1 Lever
E = One person pushing off ground F = middle of seesaw L = Other person pulling down by gravity
This type of joint is composed of bones that are united by fibrous tissue and are nonsynovial.
a. Fibrous Joints (Synarthrosis)
b. Cartilaginous Joints (Amphiarthroses)
c. Synovial Joints (Diarthrosis)
a. Fibrous Joints (Synarthrosis)
This type of joint provides free movement between bones they join.
a. Fibrous Joints (Synarthrosis)
b. Cartilaginous Joints (Amphiarthroses)
c. Synovial Joints (Diarthrosis)
c. Synovial Joints (Diarthrosis)
This type of joint has five distinguishing characteristics: joint cavity, articular cartilage, synovial membrane, synovial fluid, and fibrous capsule.
a. Fibrous Joints (Synarthrosis)
b. Cartilaginous Joints (Amphiarthroses)
c. Synovial Joints (Diarthrosis)
c. Synovial Joints (Diarthrosis)
This type of joint has minimal to no movement, with the amount permitted at the joint dependent on the length of fibers uniting the bones.
a. Fibrous Joints (Synarthrosis)
b. Cartilaginous Joints (Amphiarthroses)
c. Synovial Joints (Diarthrosis)
a. Fibrous Joints (Synarthrosis)
This type of joint has a hyaline cartilage or fibrocartilage that connects one bone to another.
a. Fibrous Joints (Synarthrosis)
b. Cartilaginous Joints (Amphiarthroses)
c. Synovial Joints (Diarthrosis)
b. Cartilaginous Joints (Amphiarthroses)