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The Upper Limb Questions

1) What is the action of the muscle X on the shoulder joint?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Abduction

 

Explanation:

Wet Specimen X: Suprapsinatus

 

To review the location of this muscle click on this 'Muscles' and go to:

  • Shoulder Muscles

    • Scapulohumeral Muscles 

To review the action of this muscle click on this 'Joints' and go to Glenohumeral Joint.

2) What is the root value of the nerve supplying the structure X?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C5, C6

 

Explanation:

Wet Specimen X: Deltoid

Axillary nerve supplies Deltoid.

 

To review the  muscle click on this 'Muscles' and go to:

  • Shoulder Muscles

    • Scapulohumeral Muscles 

To review the nerve supplying this muscle click on this 'Neurovasculature' and go to

  • Nerves

  • Axillary Nerve

3) Which nerve innervates the muscle X?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Axillary Nerve

 

Explanation:

Wet Specimen X: Teres minor

Axillary nerve supplies Teres minor.

 

To review the  muscle click on this 'Muscles' and go to:

  • Shoulder Muscles

    • Scapulohumeral Muscles

To review the nerve supplying this muscle click on this 'Neurovasculature' and go to

  • Nerves

  • Axillary Nerve

4) Which nerve is in close contact with the area of the bone labelled X?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Radial Nerve

 

Explanation:

Bone: Humerus (radial groove) 

 

To review the area of bone click on this 'Bones' and go to:

  • Humerus

 

To review the nerve in close contact with this area of bone click on this 'Neurovasculature' and go to:

  • Nerves

  • Radial Nerve

5) What is the action of the muscle X on the Elbow joint?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flexion

 

Explanation:

Wet Specimen X: Brachioradialis muscle  

 

To review this muscle click on this 'Muscles' and go to:

  • Forearm Muscles

  • Anterior/Flexor copartment of forearm

 

To review the action of this muscle click on this 'Joints' and go to:

  • Elbow Joint

6) Identify the structure X?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Teres Major Muscle

 

Explanation:

Wet Specimen X: Teres major muscle  

 

To review this muscle click on this 'Muscles' and go to:

  • Shoulder Muscles

  • Scapulohumeral Muscles

7) Which nerve is sensory to the area of the skin labelled X?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ulnar Nerve

 

Explanation:

Diagram X: Medial 1 1/2 fingers on palmar aspect of the hand 

 

To review this innervation click on this 'Neurovasculature' and go to:

  • Dermatomes

8) Identify the structure X?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Abductor Pollicis Brevis

 

Explanation:

Diagram X: Abductor Pollicis Brevis Muscle

 

To review this innervation click on this 'Muscles' section and go to:

  • Hand Muscles

  • Thenar muscles

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