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20100505a MAK121
MAK121 Week 4
Muscle | Region/Group | Origin(s) | Insertion(s) | Joint(s) Crossed | Action(s) Joint 1 | Action(s) Joint 2 | Action(s) Joint 3 |
---|---|---|---|---|---|---|---|
Extensor Carpi Radialis Longus | Forearm-Hand/Wrist-Hand Extensors | Lateral SupraCondylar Ridge of Humerus | Base of 2nd MetaCarpal | 2: HumeroUlnar, RadioCarpal | FLEXION | 2: Extension, Radial Deviation | |
Extensor Carpi Radialis Brevis | Forearm-Hand/Wrist-Hand Extensors | Lateral SupraCondylar Ridge of Humerus | Base of 3rd MetaCarpal | 2: HumeroUlnar, RadioCarpal | FLEXION | 2: Extension, Radial Deviation | |
Extensor Carpi Ulnaris | Forearm-Hand/Wrist-Hand Extensors | Common Extensor Tendon from Lateral Epicondyle of Humerus | Base of 5th MetaCarpal | RadioCarpal | 2: Extension, Ulnar Deviation | ||
Extensor Digitorum | Forearm-Hand/Wrist-Hand Extensors | Common Extensor Tendon from Lateral Epicondyle of Humerus | Middle and Distal Phalanges of 2nd-5th Digits | 2: RadioCarpal, MCPs/PIPs/DIPs | Extension | Extension | |
Flexor Carpi Radialis | Forearm-Hand/Wrist-Hand Flexors | Common Flexor Tendon from Medial Epicondyle of Humerus | Bases of 2nd and 3rd MetaCarpals | 2: HumeroUlnar, RadioCarpal | Flexion | 2: Flexion, Radial Deviation | |
Flexor Carpi Ulnaris | Forearm-Hand/Wrist-Hand Flexors | Common Flexor Tendon from Medial Epicondyle of Humerus | Pisiform | 2: HumeroUlnar, RadioCarpal | Flexion | 2: Flexion, Ulnar Deviation | |
Flexor Digitorum Superficialis | Forearm-Hand/Wrist-Hand Flexors | 4: Common Flexor Tendon, Ulnar Collateral Ligament, CoroNoid Process of Ulna, Shaft of Radius | Sides of Middle Phalanges of 2nd-5th Digits | 3: HumeroUlnar, RadioCarpal, MCPs/PIPs | Flexion | Flexion | Flexion |
Flexor Digitorum Profundus | Forearm-Hand/Wrist-Hand Flexors | Anterior/Medial Surfaces of Proximal 3/4 Ulna | Bases of Distal Phalanges of 2nd-5th Digits | 2: RadioCarpal, MCPs/PIPs/DIPs | Flexion | Flexion | |
Palmaris Longus | Forearm-Hand/Wrist-Hand Flexors | Common Flexor Tendon from Medial Epicondyle of Humerus | 2: Flexor Retinaculum, Palmar Aponeurosis | 2: HumeroUlnar, RadioCarpal | Flexion | 2: Flexion, Tense Palmar Fascia | |
Pronator Teres | Forearm-Hand | 2: Common Flexor Tendon from Medial Epicondyle of Humerus, CoroNoid Process of Ulna | Middle of Lateral Surface of Radius | 2: HumeroUlnar, RadioUlnar | Flexion | Pronation | |
Pronator Quadratus | Forearm-Hand | Medial/Anterior Surface of Distal Ulna | Lateral/Anterior Surface of Distal Radius | RadioUlnar | Pronation | ||
Supinator | Forearm-Hand | 3: Radial Collateral Ligament, Annular Ligament, and Supinator Crest of the Ulna | Lateral Surface of Proximal Shaft of Radius | RadioUlnar | Supination | ||
ABductor Pollicis Longus | Forearm-Hand/Muscles of the Thumb | 3: Posterior Surface of Radius and Ulna, InterOsseous Membrane | Base of 1st MetaCarpal | CarpoMetaCarpal | ABduction, Extension | ||
ADductor Pollicis | Forearm-Hand/Muscles of the Thumb | Capitate, 2nd and 3rd MetaCarpals | Base of Proximal Phalange of Thumb | 2: 1st CarpoMetaCarpal (CMC), 1st MetaCarpoPhalangeal (MCP) | ADduction | ADduction, Flexion | |
Flexor Pollicis Longus | Forearm-Hand/Muscles of the Thumb | 2: Anterior Surface of Radius, InterOsseous Membrane | Distal Phalange of Thumb | 3: 1st CarpoMetaCarpal (CMC), 1st MetaCarpoPhalangeal (MCP), 1st InterPhalangeal (IP) | Flexion | Flexion | Flexion |