Arm & Cubital Fossa

1.Describe cubital fossa under following headings. • Boundaries • Contents • Clinical importance

2.A Patient was brought to the clinic with a history of giddiness since one week. The physician asked the junior doctor to check the blood pressure. It was found that blood pressure was high.

• a) Name the artery used to monitor the blood pressure
• b) In which fossa is the bell of the stethoscope placed
• c) Give the boundaries of the fossa
• d) Mention the contents of the fossa in detail

3.A 25 years old cricket player sustained injury in his left arm. On x-ray examination, a fracture of shaft of humerus was observed. Following internal reduction of fracture, he was not able to extend his left wrist. Based on your knowledge in anatomy answer the following questions. ● Injury to which nerve in the arm can produce inability to extend the wrist and why. ● Briefly describe the origin, course and distribution of the nerve involved. ● Name the other nerves that are closely related to the humerus, giving its appropriate sites and effect of injury

1.Deltoid muscle and its deep relations

1.Boundaries and contents of cubital fossa

2.Spiral groove

3.Brachial artery

1.Median cubital vein

2.Contents of radial groove

3.Biceps brachii muscle

4.Vein present on the roof of cubital fossa

5.Name any four branches of brachial artery

1.Following are the attachments of triceps brachi

• 1) Supraglenoid tubercle
• 2) Olecranon process 3) Coracoid process
• 4) Shaft of humerus
• a) 1, 2, 4
• b) 2, 3, 4
• c) 1, 2, 3
• d) 2, 4

2.Muscle that is NOT involved in flexion of elbow joint

• a) Biceps brachi
• b) Brachioradialis
• c) Brachialis
• d) Coracobrachialis

3.All the following form boundaries of spiral groove of humerus EXCEPT

• a) Shaft of humerus
• b) Anconeus
• c) Medial head of triceps
• d) Lateral head of triceps