Shoulder Complex Flashcards
How many degrees of freedom do the sternoclavicular joint has ?
3 degrees of freedom.
First 30 degree of UE elevation
For every 2 degree of GH Joint
Osteokinematics of Shoulder Girdle
Upward/ Downward Rotation
Force Couples Upward Rotation Scapula
Force couples Downward Rotation Scapula
How many muscles are attached to the scapula?
Spine of scapula sits?
Inferior angle of scapula sits in ?
What other name do the clavicle has?
bicep brachii tendon long head attaches to superior lambrum
Fluid sacs which create a smooth surface
Avoid too much friction
Osteokinematics of GH
Scaption: 30-40 degrees ant to frontal plane
Flexion Arthrokinematics GH
Spin with posterior glide
Extension Arthkinematics GH
Spin with anterior glide
IR Arthkinematics GH
Roll with posterior glide
ER Arthkinematics GH
Roll with anterior glide
ABD Arthkinematics GH
Roll with inferior glide
ADD Arthkinematics GH
Roll with superior glide
Where do the brachial plexus pass by and at what level?
In between scalenes
When the scapula moves into a protracted position, it moves in what direction in relation to the spine?
It moves anteriorly and laterally in relationship with the spine
What structure has poor blood supply?
What structure is the toughest form of cartilage and shock absorber?
How many bones in human body?
Tarsals and carpals
Force produce but no change in length
Force produce and muscle length changes
Speed is constant while resistant varies
Points at which a muscle shorten any further actively
Point at which a muscle cannot be elongated any further
How many joint in the human body?
Hinge synovial joint
Uniaxial - elbow
Pivot synovial joint
Uniaxial - forearm
Ellipsis synovial joint
Biaxial - wrist
Saddle synovial joint
Biaxial - CMC of thumb
Ball and socket synovial joint
Triaxial or multiaxial - hip and shoulder
Gliding synovial joints
Nonaxial - carpals of the wrist
Saggital plane, frontal axis
Flexion and extension
Frontal plane, saggital axis
Abduction and adduction
Closed kinetic chain
Distal joint remains fixed while proximal end moves
Open kinetic chain
Distal end joint is free to move
First class lever
Cervical , axis located between the forces
Second class lever
Ankle plantar flexion
resistance located between force and axis
Third class lever
Force located between axis and resistance