Upper Limb Wet Room Station 4 Flashcards
Which nerve would be affected due to damage to the medial epicondyle?
The Ulnar Nerve
Which nerve would be affected due to damage to the surgical neck of the humerus?
Axilla
Which nerve would be affected due to damage to the radial groove?
Radial nerve
What is the rim of cartilage surrounding the ball and socket joint called?
The gelnoid labrum
What is the fx of the glenoid labrum?
Deepens and aid in stability of the shoulder joint
What does the coracoacromial ligament do to the joint capsule?
Strengthens superior aspect
What does the Glenohumerla ligament do to the joint capsule?
Strengthens the anterior aspect
Which part of the shoulder capsule and is not protected by muscles or ligaments?
The Inferior aspect
What [3] things contribute to the coracoacromial arch?
Acromium + Coracoid process of scapula + coracoacromial ligament
What is the role of the subacromial bursa?
facilitates movement of supraspinatous tendon under coraco-acromial arch and of deltoid over the joint capsule
What is the fx of the subsacapularis?
Internally rotates and Adducts the humerus
What is the fx of the supraspinatous?
abduction of the arm
What is the fx of the infrapsinatous anad teres minor?
lateral roation of arm [humerus]
What do anterior fibres of the deltoid do to the shoulder joint?
Internal rotates the humerus and flexion
What do middle fibres of the deltoid do at the shoulder joint?
Abduction of the shoulder joint
What do Posterior fibres of the deltoid do at the shoulder joint?
External rotation and extension of the shoulder joint
What is the nerve supply to the deltoid?
Axillary Nerve
Where does the pectoralis major muscles originate?
The sternum, ribs and medial third of the clavicle
What is the action of the pectoralis major on the shoulder joint?
Flexion, Medial rotate the humerus,
What is the triangular space below the clavicle and between the deltoid and pec major called?
Deltopectoral triangle
What is found in the deltopectoral triangle?
Cephalic Vein
What is the nerve supply of the serratus anterior?
Long thoracic nerve from Brachial plexus
What clinical sign is seen when the Long thoracic nerve is damaged?
Winged Scapulae
What do superior fibres of the trapezius do to the scapula?
Elevate
What do middle fibres of the trapezius do to the scapula?
Retraction
What do inferior fibres of the trapezius do to the scapula?
Depression
What is the trapezius innervated by?
The accessory Nerve
What are the action of the teres major on the shoulder joint
Extension, Adduction and internal rotation of the shoulder joint
Which muscle causes flexion of the shoulder joint?
Deltoid [ant]
Which muscles causes extension of the shoulder joint?
Lat Dorsi
Deltoid [post]
Which muscles causes adduction of the shoulder joint?
Lat Dorsi
Teres Major
Subscapularis
Which muscles causes abduction of the shoulder joint?
Deltoid [middle]
Supraspinatous
Which muscles causes internal rotation of the shoulder joint?
Subscapualris
Lat Dorsi
Pec Major
Teres Major
Which muscles causes external rotation of the shoulder joint?
Teres Minor
Deltoid [post]
Infraspinatous
