Name the 4 rotator cuff muscles
Name the ligaments that reinforce the shoulder joint
Glenohumeral (superior, middle and inferior)
Extension of the shoulder joint uses which muscles?
Abduction of the shoulder uses which muscles?
Supraspinatus for first 15 degrees
Deltoid for 15-90 degrees
Flexion of the shoulder uses which muscles?
Both heads of biceps
What structure deepens and enlarges the glenoid cavity?
What type of joint is the shoulder joint?
Ball and socket synovial joint
Lateral rotation of the shoulder uses which muscles?
Name an artery and nerve of the shoulder
Axillary and subclavian artery
Axillary, suprascapula, lateral pectoral nerve
What other muscles apart from the rotator cuff muscles help to
reinforce the shoulder joint?
Pectoralis Major (adduction and medial rotation)
Deltoids (should abductor)
_____ are fluid filled sacs within the shoulder joint that help
absorb shock and reduce friction
Flexion of the wrist involves which muscles?
Flexor Carpi Ulnaris
Flexor Carpi Radialis
These are all forearm muscles
Extension of the wrist involves which muscles?
Extensor Pollicis Longus
Extensor Pollicis Brevis
Forearm muscles located Superior to forearm
The wrist receives blood from what?
Dorsal and palmar arches
The nerve is innervated by which nerves
Median, radial and ulnar nerves
Which are branches of the Bracial plexus
Name the four extrinsic ligaments supporting the wrist
Dorsal radiocarpal ligament (between radius and carpal bones)
Radial collateral ligament (between the radius and scaphoid/trapezium)
Palmar radiocarpal ligament (between radius and carpal bones)
Ulnar collateral ligament (between the ulna and triquetrum/pisiform
Name the four joints of the wrist
The joints of the wrist are enclosed within?
a fibrous articular capsule, which is thicked by extrinsic and
The distal attachment for all wrist muscles is a metacarpal EXCEPT for?
Where does it attach instead?
Palmaris longus, which attaches to the palmar aponeurosis (thumb)
The superficial anterior flexors of the wrist attack proximally where?
on the medial epicondyle of the humerus
The posterior extensors of the wrist attack proximally where?
on the lateral epicondyle of the humerus
The elbow joint is a
complex hinge, synovial, uniaxial joint
It consists of two articulations
What is the two articulations of the elbow joint?
The trochlear notch of the ulna and humerus
The head of the radius and capitulum of the humerus
What is the anconeus in the elbow?
a small extensor muscle behind the elbow
The rounded distal end of the humerus is divided into two joint
processes, what are they?
the trochlea on the medial side
The capitulum on the lateral side
The proximal radioulnar joint is a _______ joint, it involves ___________
pivot joint below the elbow joint
involves one articulation
The articulation of the radioulnar joint is between the _______ and
It is held in place by?
head of the radius and the radial notch of the ulna
the anular ligament, a ring like ligament that encircles the head
of the radius
Th articular capsule sorrounds what?
the distal end of the humerus
proximal end of the ulna
the head of the radius
What ligaments support the elbow joint?
Lateral collateral ligament
Medial collateral ligament
Flexion movement of the elbow joint involves which muscles?
Extension movement of the elbow joint involves which muscles?
Pronation movement of the elbow joint involves which muscles?
Supination movement of the elbow joint involves which muscles?
What blood vessels supply the elbow joint?
What nerves innervate the elbow?
The knee joint involves how many articulations?
The articulation between the femur and tibia is?
The 3 articulations of the knee joint are between?
The lateral condyle of the femur, lateral meniscus, and lateral
condyle of the tibia The medial condyle of the femur,
medial meniscus and medial condyle of the tibia The patella
and the patellar surface of the femur
Which structure accomodates changes in the shape of the articular
surfaces of the knee during movement?
The Fibrocartilaginous Menisci
The articulation between the patella and the femur allows the pull of
_______ to be what?
the quadriceps femoris muscle group
anteriorly over the knee to the tibial tuberosity (via the patellar
ligament) without tendon wear
What are the major ligaments of the knee?
The patellar ligament
Collateral ligaments (medial and lateral) MCL + LCL
Cruciate ligaments (anterior and posterior) ACL and PCL
What are the 4 movements permitted by the knee joint?
Extension of the knee uses what muscles?
Flexion of the knee uses what muscles?
Hamstrings, gracilis, sartorius and popliteus
Lateral rotation of the knee uses what muscles?
The quadriceps femoris group consists of what muscles?
Rectus femoris Vasus lateralis Vastus
medialis Vastus intermedialis
The hamstrings group consists of what muscles?
Semitendinosus Semimembranosus Biceps
Lateral and medial rotation of the knee can only occur when the knee
If the above doesnt happen, what will happen instead?
Medial/lateral rotation will occur at the hip joint instead
Which blood vessels supply the knee joint?
Femoral popliteal anterior tibial
Which nerves innervate the knee joint?
Femoral Obturator Tibial(major branch of
sciatic nerve) Peroneal nerves