Innervation to the wrist
Branches of Ulnar Nerve
Anterior Interosseous Nerve (Median Nerve)
Posterior Interosseous (Radial Nerve)
Branches of Ulnar Nerve at Wrist
Superficial and Deep Branches
Symptoms of Radial Nerve Damage and Injury Site
Dropped Wrist and Midshaft Fracture of Humerus
Anterior Convexity of the spine
Cephalic Vein drains into what?
Axillary Vein
Blood Supply of Acromioclavicular Joint
Suprascapular and Thoracoacromial Arteries
What muscle does the musculocutaneous go through?
Coracobrachialis
Difference between median nerve damage sign and ape hand
What develops cervical and lumbar curvature
Crawling and learning to walk (Lumbar Curvature)
Brachial Vein
The ligament that holds metacarpals together
Deep Transverse Metacarpal Ligament
Branches of Median Nerve after Carpal Tunnel
Recurrent Branch (opponens pollicis, abductor pollicis brevis, flexor pollicis brevis)
Lateral Branch - 1st lumbrical skin of dorsal digits 1,2,3
Medial Branch - 2nd lumbrical, skin of digits 2-4
Colles Fracture
A complete fracture through the radius
Common sites for lumbar disc protrusions
C5/C6 and C6/C7
What connects to the radial artery to the inferior ulnar collateral artery?
Middle Collateral Artery
Actions of CMC joint of Digit 1
Flexion/Extension
Abduction/Adduction
Opposition/Reposition
Besides the two injures for ulnar in NAMe SOME, what is another site or area that could cause ulnar nerve compression?
Cubital Tunnel Syndrome - Compression of ulnar nerve in the cubital tunnel
Shortening and thickening of palmar fascia and aponeurosis
Causes of Back Pain
Muscle Strain
Irritation of spinal nerves
Irritation of Dorsal Rami innervating back muscles
Strain to Erector Spinae or other back intrinsic muscles
Injury to bone or connective tissue (sprain) around the joints
Irritation of the intervertebral disc or space around it
What branches off the superficial palmar arch?
Common Palmar Digital -- Proper Palmar Digital
Name the 7 joints in the hand/wrist and types of joints
Distal Radioulnar Joint (Pivot Joint)
Radiocarpal Joint (Condyloid Joint)
Intercarpal Joints (Plane Joints)
Carpometacarpal Joints digits 2-5 (Plane Joints)
Carpometacarpal Joint digit 1 (Saddle Joint)
Metacarpophalangeal Joints (Condyloid joints, digit 1 is hinge)
Interphalangeal Joints (Hinge joints)
A patient fell and tried to catch themselves. They broke their hook of hamate and fractured the shaft and neck of the humerus. What nerves could be affected and what signs would you look for?
Ulnar Nerve injury looking for Ulnar Claw and flexion in digits 4 and 5.
Radial Nerve looks at the extension of the forearm and extension of the wrist, specifically looking for the dropped wrist.
Axillary Nerve and looking if they have weak external rotation and abduction of arm
What can develop carpal tunnel symptoms?
Thickening of flexor synovium (tendonitis)
Cystic masses (Cysts developing)
Abnormal Proximal Lumbrical Origin (adding muscle to the carpal tunnel)
Lumbrical Hypertrophy (Excessive typing/overuse)
FDS muscle belly (moves distal/muscle belly in area)
Movements of the vertebral column
Flexion and Extension of Trunk
Lateral Flexion of Trunk
Rotation of Trunk
What makes up the dorsal venous arch?
Basilic and Cephalic