Contents
Anatomy
General Information
- This section is strictly limited to anatomy, you might be looking for clinical relevant information which is found under the clinical chapters -- muscles section, click here to go to that page
Position
- Proximally
- Superficial
- Distally
- Deep
Origin
- Humeral head
- Medial epicondyle humerus
- Common flexor tendon distally on humerus
- Processus coronoideus ulna
Insertion
- Lateral radius
- Middle 1/3
Main function
- Elbow
- Flexion
- Pronation
Nerve innervation
- Segmental
- C6-C7
- Peripheral
- Median nerve
Arterial supply
- Ulnar artery
- Radial artery
Palpation
- Patient position
- Sitting
- Place the patient's elbow so that it is partly flexed, while the arm is held in a neutral position between pronation and supination
- Palpate the proximal anterior surfae of the patient's lower arm
- Ask the patient to flex or pronate the elbow, while you feel for the contraction
- It should be possible to palpate the it on the entire humeral head
Strength test for pronator teres and pronator quadratus
- Patient position
- Sitting or supine
- Stabilize the patient's elbow to avoid abduction movement of the shoulder
- Ask the patient to hold the arm in pronation and somewhat flexion of the elbow
- Give resistance towards the lower part of the lower arm just proximal to the wrist in the direction of supination, so that the patient is giving force towards pronation
- The patient maintains the arms position against resistance throughout the testing