BrainRegionTARGET TEA HAND
Hand
@@Home -> BiologicalLifeResearch -> BrainAreaTEA -> BrainRegionTARGET_TEA_HAND
This page covers biological details of component Hand. Region is part of aHuman target integrated biological model.
- *Top-down path to region*: Target -> Human Effectors (aHumanEffectors) -> Hand (TARGET.TEA.HAND) (see Mind Maps)
- *Type*: effector
- *Brain area*: Effector Area
- *Role*: unknown
- *Function*: Primary Execution Motor
(generated)
Components
(generated)
- Component items*:
- *Hand somatic sensory data* (*hand-somatic-sensory*)
* Hand - hand somatic receptors (hand-somatic-receptors -> LPC.PN.SG.UDRG): somatic sensations
- *Hand shoulder* (*hand-shoulder*)
* *Hand shoulder flexors* (*hand-shoulder-flexors*) * [- infraspinatus muscle] (BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM -> HumanMusclesLimbs infraspinatus-muscle): lateral rotation of arm; adduction of arm and stabilizes humerus * [- supraspinatus muscle] (BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM -> HumanMusclesLimbs supraspinatus-muscle): abduction of arm and stabilizes humerus * [- deltoid muscle, anterior] (BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM -> HumanMusclesLimbs anterior-deltoid-muscle): shoulder flexion * [- coracobrachialis muscle] (BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL -> HumanMusclesLimbs coracobrachialis-muscle): flexes and adducts humerus * [- levator claviculae muscle] (BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL -> HumanMusclesLimbs levator-claviculae-muscle): lifts clavicle * [- levator scapulae muscle, roots] (BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL -> HumanMusclesLimbs levator-scapulae-muscle-roots): elevates scapula and tilts its glenoid cavity inferiorly by rotating scapula * [- levator scapulae muscle, scapular] (BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL -> HumanMusclesLimbs levator-scapulae-muscle-scapular): elevates scapula and tilts its glenoid cavity inferiorly by rotating scapula * [- pectoralis major muscle] (BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL -> HumanMusclesLimbs pectoralis-major-muscle): clavicular head: flexes the humerus; sternocostal head: extends the humerus; as a whole, adducts and medially rotates the humerus. It also draws the scapula anteriorly and inferiorly * [- rhomboid major muscle] (BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM -> HumanMusclesLimbs rhomboid-major-muscle): retracts the scapula and rotates it to depress the glenoid cavity; it also fixes the scapula to the thoracic wall * [- rhomboid minor muscle] (BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM -> HumanMusclesLimbs rhomboid-minor-muscle): retracts the scapula and rotates it to depress the glenoid cavity; it also fixes the scapula to the thoracic wall * [- serratus anterior muscle] (BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM -> HumanMusclesLimbs serratus-anterior-muscle): retracts the scapula and rotates it to depress the glenoid cavity; it also fixes the scapula to the thoracic wall * [- sternalis muscle] (BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM -> HumanMusclesLimbs sternalis-muscle): protract and stabilize scapula, assists in upward rotation * *Hand shoulder extensors* (*hand-shoulder-extensors*) * [- subscapularis muscle, lower] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs subscapularis-muscle-lower): rotates medially humerus; stabilizes shoulder * [- subscapularis muscle, upper] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs subscapularis-muscle-upper): rotates medially humerus; stabilizes shoulder * [- teres major muscle] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs shoulder-teres-major-muscle): internal rotation of the humerus * [- latissimus dorsi muscle] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs shoulder-latissimus-dorsi-muscle): pulls the forelimb dorsally and caudally * [- deltoid muscle, lateral and posterior] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs posteriolateral-deltoid-muscle): shoulder abduction, extension * [- pectoralis minor muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs pectoralis-minor-muscle): stabilizes the scapula by drawing it inferiorly and anteriorly against the thoracic wall * [- subclavius muscle] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs subclavius-muscle): depression of clavicle * [- trapezius muscle] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs trapezius-muscle): descending (superior) part elevates; ascending (inferior) part depresses; and middle part (or all parts together) retracts scapula; descending and ascending parts act together to rotate glenoid cavity superiorly
- *Hand elbow* (*hand-elbow*)
* *Hand elbow flexors* (*hand-elbow-flexors*) * [- biceps muscle] (BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL -> HumanMusclesLimbs biceps-muscle): flexes elbow and supinates forearm * [- brachialis muscle] (BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL -> HumanMusclesLimbs brachialis-muscle): flexion at elbow joint * [- pronator quadratus muscle] (BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL -> HumanMusclesLimbs pronator-quadratus-muscle): pronates the forearm * [- pronator teres muscle] (BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL -> HumanMusclesLimbs pronator-teres-muscle): pronation of forearm, flexes elbow * *Hand elbow extensors* (*hand-elbow-extensors*) * [- teres minor muscle] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs teres-minor-muscle): laterally rotates and adducts the arm * [- triceps brachii muscle, axillary] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs triceps-brachii-muscle-axillary): extends forearm, caput longum adducts shoulder * [- triceps brachii muscle, radial] (BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM -> HumanMusclesLimbs triceps-brachii-muscle-radial): extends forearm, caput longum adducts shoulder * [- articularis cubiti muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs articularis-cubiti-muscle): lifts capsule away from joint * [- supinator muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs supinator-muscle): supinates forearm * [- anconeus muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs anconeus-muscle): partly blended in with the triceps, which it assists in extension of the forearm; stabilises the elbow and abducts the ulna during pronation * [- brachioradialis muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs brachioradialis-muscle): stabilizer of elbow joint
- *Hand wrist* (*hand-wrist*)
* *Hand wrist flexors* (*hand-wrist-flexors*) * [- flexor carpi radialis muscle] (BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM -> HumanMusclesLimbs flexor-carpi-radialis-muscle): flexion and abduction at wrist * [- flexor carpi ulnaris muscle] (BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM -> HumanMusclesLimbs flexor-carpi-ulnaris-muscle): flexion and adduction of wrist * [- flexor digitorum profundus muscle, interosseous] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs flexor-digitorum-profundus-muscle-interosseous): flex hand, interphalangeal joints; flexor of the wrist (midcarpal), metacarpophalangeal and interphalangeal joints; flexes the 2-5 digits * [- palmaris longus muscle] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs palmaris-longus-muscle): wrist flexor * [- palmaris brevis muscle] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs palmaris-brevis-muscle): wrinkle skin of palm * *Hand wrist extensors* (*hand-wrist-extensors*) * [- extensor digiti minimi muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs extensor-digiti-minimi-muscle): extends and adducts the wrist * [- extensor carpi radialis brevis muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs extensor-carpi-radialis-brevis-muscle): extensor at the wrist joint, abducts the hand at the wrist * [- extensor carpi radialis longus muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs extensor-carpi-radialis-longus-muscle): extensor and abductor of the hand at the wrist joint
- *Hand fingers* (*hand-fingers*)
* *Hand fingers flexors* (*hand-fingers-flexors*) * [- flexor pollicis longus muscle] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs flexor-pollicis-longus-muscle): flexor of the phalanges of the thumb * [- flexor pollicis brevis muscle, median] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs flexor-pollicis-brevis-muscle): flexion of thumb * [- flexor digitorum superficialis muscle] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs flexor-digitorum-superficialis-muscle): flexor of fingers (primarily at proximal interphalangeal joints); flexion of the middle phalanges of the fingers at the proximal interphalangeal joints * [- abductor digiti minimi muscle of hand] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs abductor-digiti-minimi-muscle): abduction of little finger * [- abductor pollicis brevis muscle] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs abductor-pollicis-brevis-muscle): abduction of thumb * [- adductor pollicis muscle] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs adductor-pollicis-muscle): adducts the thumb at the carpometacarpal joint * [- dorsal interossei muscles of the hand] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs dorsal-interossei-muscle-hand): abduct fingers * [- flexor digiti minimi brevis of hand] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs flexor-digiti-minimi-brevis-muscle-hand): flexes little finger * [- flexor digitorum profundus muscle, ulnar] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs flexor-digitorum-profundus-muscle-ulnar): flex hand, interphalangeal joints; flexor of the wrist (midcarpal), metacarpophalangeal and interphalangeal joints; flexes the 2-5 digits * [- flexor pollicis brevis muscle, ulnar] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs flexor-pollicis-brevis-muscle-ulnar): flexion of thumb * [- lumbricals of the hand muscles, median] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs lumbricals-hand-muscles-median): flex metacarpophalangeal joints, extend interphalangeal joints * [- lumbricals of the hand muscles, ulnar] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs lumbricals-hand-muscles-ulnar): flex metacarpophalangeal joints, extend interphalangeal joints * [- opponens digiti minimi muscle] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs opponens-digiti-minimi-muscles): draws 5th metacarpal anteriorly and rotates it, bringing little finger (5th digit) into opposition with thumb * [- opponens pollicis muscle] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs opponens-pollicis-muscle): opposition of the thumb * [- palmar interossei muscles] (BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL -> HumanMusclesLimbs palmar-interossei-muscles): adduct the fingers towards middle finger * *Hand fingers extensors* (*hand-fingers-extensors*) * [- abductor pollicis longus muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs abductor-pollicis-longus-muscle): abduction, extension of thumb * [- extensor carpi ulnaris muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs extensor-carpi-ulnaris-muscle): extends the little finger at all joints * [- extensor digitorum muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs extensor-digitorum-muscle): extension of hand and fingers * [- extensor indicis muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs extensor-indicis-muscle): extends index finger, wrist * [- extensor pollicis brevis muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs extensor-pollicis-brevis-muscle): extension of thumb at metacarpophalangeal joint * [- extensor pollicis longus muscle] (BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL -> HumanMusclesLimbs extensor-pollicis-longus-muscle): extension of the thumb (metacarpophalangeal and interphalangeal)
Connectivity
(generated)
- Inbound Region Connections:*
|| *Source Area* || *Source Region* || *Source Name* || *Type* || *Reference* || || LPC || BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL || Posterolateral Nucleus || biceps-muscle || (unknown reference) || || || LPC.SC.VH.PM || Posteromedial Nucleus || anterior-deltoid-muscle || (unknown reference) || || || LPC.SC.VH.RPL || Retroposterolateral Nucleus || abductor-digiti-minimi-muscle || (unknown reference) || || || LPC.SC.VH.VL || Ventrolateral Nucleus || abductor-pollicis-longus-muscle || (unknown reference) || || || LPC.SC.VH.VM || Ventromedial Nucleus || posteriolateral-deltoid-muscle || (unknown reference) ||
- Outbound Region Connections:*
|| *Target Area* || *Target Region* || *Target Name* || *Type* || *Reference* || || LPC || BrainRegionLPC_PN_SG_UDRG LPC.PN.SG.UDRG || Upper Dorsal Root Ganglion || hand-somatic-receptors || (unknown reference) ||
Thirdparty Circuits
(generated)
- no circuits defined
References
(generated)
- no references defined