Blood Supply & Innervations
Dorsal & palmer interosseous action & innervation
Both supplied by the ulnar nerve
Dorsal: abduction of digits & assist lumbricals with flexion of MCPs & extension of IPs
Palmar: adduction of digits & assist lumbricals with flexion of MCPs & extension of IPs
What are the two names for the ligament that borders the carpal tunnel?
Name the thenar & hypothenar muscles
Thenar: abductor pollicis brevis, Flexor pollicis brevis, Adductor pollicis brevis, Opponens brevis
Hypothenar: abductor digiti minimi, flexor digiti minimi, opponens digiti minimi
Which type of hip movement is the most common way to dislocate the hip joint?
Posterior dislocation of hip
Compression of the ulnar nerve between the humeral & ulnar heads of flexor carpi ulnaris
Cubital tunnel syndrome
The superficial palmar branch in the hand is primarily created by what artery?
Ulnar artery
Which hand bones border the carpal tunnel medially & laterally?
Medially: pisiform & hamate
Laterally: scaphoid & trapezium
Where does the flexor digitorum superficialis & profundus attach?
Flexor digitorum superficialis: PIPs
Flexor digitorum profundus: DIPs
Extensor digitorum actions
Wrist extension
MCP. PIP, DIP of 2nd to 5th digit extension & abduction of fingers
The syndrome that is characterized by a radial nerve lesion on the dorsal aspect of the wrist
Wartenberg's syndrome
Sartorius & quadriceps femoris innervation
4 parts of quadriceps femoris
Femoral nerve
Rectus femoris, vastus medialis, vastus lateralis, vastus intermedius
What are the borders of the anatomical snuff box? What artery and vein run through this region?
Extensor pollicis longus tendon, Extensor pollicis brevis tendon, Abductor pollicis longus tendon
Radial artery & superficial branch of radial nerve run through the box
What 2 muscles form the iliopsoas and what are the 2 overall actions of this group?
Psoas major & iliacus
Actions: flexion & external rotation of hip/thigh
Which muscle of the hand is dually innervated and what is its action?
Flexor pollicis brevis, CMC thumb flexion
What is it called when there is an incompetency of the valves connecting the superficial and deep veins in the anteromedial thigh region that causes a reversal in blood flow?
Varicose veins
Arterial & nerve supply of the hip joint
Arterial supply: retinacular arteries & obturator artery
Nerve supply: femoral nerve, obturator erve, nerve to quadratus femoris, superior gluteal nerve
Name all hinge joints, biaxial joints, and condylar joints of the wrist/hand
Hinge joints: distal interphalangeal joint, proximal interphalangeal joint, interphalangeal joint of thumb
Biaxial joints: metacarpophalangeal joints, metacarpophalangeal joint of thumb
Condylar joints: carpometacarpal joints, carpometacarpal joint of thum, midcarpal joint, radiocarpal joint, distal radioulnar joint
Flexor digitorum superficialis & profundus innervation & action
Profundus: median & ulnar nerves; wrist, MCP, DIP flexion of 2nd thru 5th digits
Superficial group of the medial thigh muscles action & the 4 muscles that make up this group
Group action: hip adduction & flexion
Pectineus, adductor longus & brevis, gacilis
What nerve is affected in the hand of Benediction & what actions are affected?
Median nerve severed at the elbow
Flexion of thumb thu middle finger lost, weakened flexion of ring and pinky finger, weakened flexion & adduction of thumb
Name all muscles of the antebrachium that are supplied by the median nerve & the ulnar nerve
Median nerve: pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum superficialis, 1/2 of flexor digitorum profundus. flexor polllicis longus, pronator quadratus
Ulnar nerve: flexor carpi ulnaris, 1/2 of flexor digitorum profundus
What are the 3 ligaments that form the hip joint and what do each prevent (if applicable)?
Iliofemoral ligament prevents hyperextension of hip (strongest ligament in the body)
Pubofemoral ligament prevents hyperabduction of hip
Ishiofemoral ligament (weakest of the 3)
Name the innervations for each of the thenar & hypothenar muscles
Ulnar nerve: Adductor pollicis, 1/2 of the Flexor pollicis brevis, Opponens digiti minimi, Flexor digiti minimi brevis, Abductor digiti minimi, Palmaris brevis
Median nerve: Abductor pollicis brevis, 1/2 of the Flexor pollicis brevis, Opponens pollicis
Deep group of medial thigh muscles group action, individual actions, and innervations
Obturator externus action: external hip rotation; obturator nerve
Adductor magnus: thigh adduction (hamstring part: extension; adductor part: slight hip/thigh flexion); deep part: obturator nerve; superficial part: tibial nerve
Group action: hip adduction
What is claw hand & what actions does it affect?
Wrist adduction impairment, loss of flexion of 1/2 ring and pinky finger, loss of adduction & abduction of fingers, loss of adduction & weakened flexion of thumb