Axillary nerve injury ... the Unhappy Triad ... shoulder dislocation + rotator cuff tear + axillary nerve injury

Axillary nerve injury ... the Unhappy Triad ... shoulder dislocation + rotator cuff tear + axillary nerve injury

Of the three motions, the deltoid acts most powerfully in abduction. The C5 neurologic level supplies sensation to the lateral arm from the summit of the shoulder to the elbow. The purest patch of axillary nerve sensation, pictured here on the right, lies over the lateral portion of the deltoid muscles. This localized sensory area within the C5 dermatome is useful for indicating specific trauma to the axillary nerve, as well as general trauma to the C5 nerve root.

Of the three motions, the deltoid acts most powerfully in abduction. The C5 neurologic level supplies sensation to the lateral arm from the summit of the shoulder to the elbow. The purest patch of axillary nerve sensation, pictured here on the right, lies over the lateral portion of the deltoid muscles. This localized sensory area within the C5 dermatome is useful for indicating specific trauma to the axillary nerve, as well as general trauma to the C5 nerve root.

nerves of the upper limb posterior view radial ulnar medial musculocutaneous axillary nerve

nerves of the upper limb posterior view radial ulnar medial musculocutaneous axillary nerve

Of the three motions, the deltoid acts most powerfully in abduction. The C5 neurologic level supplies sensation to the lateral arm from the summit of the shoulder to the elbow. The purest patch of axillary nerve sensation, pictured here on the right, lies over the lateral portion of the deltoid muscles. This localized sensory area within the C5 dermatome is useful for indicating specific trauma to the axillary nerve, as well as general trauma to the C5 nerve root.

Of the three motions, the deltoid acts most powerfully in abduction. The C5 neurologic level supplies sensation to the lateral arm from the summit of the shoulder to the elbow. The purest patch of axillary nerve sensation, pictured here on the right, lies over the lateral portion of the deltoid muscles. This localized sensory area within the C5 dermatome is useful for indicating specific trauma to the axillary nerve, as well as general trauma to the C5 nerve root.

nerves of the upper limb anterior view radial ulnar medial musculocutaneous axillary nerve

nerves of the upper limb anterior view radial ulnar medial musculocutaneous axillary nerve

A study conducted by researchers at Hospital for Special Surgery (HSS) shows that long nerve grafts gives good results in axillary nerve lesions. Up to date, long nerve grafts procedure was overlooked, but the recent study conducted demonstrates that it can be help successfully restore the function of the arm.

A study conducted by researchers at Hospital for Special Surgery (HSS) shows that long nerve grafts gives good results in axillary nerve lesions. Up to date, long nerve grafts procedure was overlooked, but the recent study conducted demonstrates that it can be help successfully restore the function of the arm.

Funky Anatomy - EXAM ANSWER - The Axillary Nerve - YouTube

Funky Anatomy - EXAM ANSWER - The Axillary Nerve - YouTube

Figure 7- Clinical decision-making with axillary nerve injuries. Adapted from Allen et al.

Figure 7- Clinical decision-making with axillary nerve injuries. Adapted from Allen et al.

AXILLARY NERVE (slide 2)  The axillary nerve passes through the quadrangular space with the posterior circumflex humeral artery. The axillary nerve supplies the deltoid muscle and teres minor muscle.

AXILLARY NERVE (slide 2) The axillary nerve passes through the quadrangular space with the posterior circumflex humeral artery. The axillary nerve supplies the deltoid muscle and teres minor muscle.

Radial and axillary nerves muscular and cutaneous innervation.

Radial and axillary nerves muscular and cutaneous innervation.

axillary nerve  The axillary nerve & posterior humeral circumflex artery pass through a 4-sided space, called the quadrangular space.  Its borders : superior - the inferior border of teres minor muscle, inferior - the superior border of teres major muscle, medial - the long head of triceps brachii muscle, and lateral - the surgical neck of the humerus.  In fractures of the surgical neck of the humerus, the axillary nerve is prone to injury because it is closely associated with the bone.

axillary nerve The axillary nerve & posterior humeral circumflex artery pass through a 4-sided space, called the quadrangular space. Its borders : superior - the inferior border of teres minor muscle, inferior - the superior border of teres major muscle, medial - the long head of triceps brachii muscle, and lateral - the surgical neck of the humerus. In fractures of the surgical neck of the humerus, the axillary nerve is prone to injury because it is closely associated with the bone.

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