Shoulder

Muscles in the Shoulder region

32 entries

All Types 32 Muscles 32 Bones 20 Tendons 29 Ligaments 52 Nerves 20 Bursae 20 Joints 20 Vessels 20

32 entries · Muscles

Muscle Axillary Arch Detail arcus axillaris (of Langer) detail Shoulder The axillary arch (arch of Langer) is an anomalous musculofascial slip crossing the axilla between pectoralis… Muscle Axillary Arch of Langer arcus axillaris musculosus (Langer) Shoulder Langer's axillary arch (musculotendinous arch of the axilla) is an anomalous muscle band crossing the axilla… Muscle Coracobrachialis (Shoulder Region) m. coracobrachialis (pars humeralis) Shoulder The coracobrachialis at the shoulder region represents its proximal portion at the coracoid attachment and in… Muscle Coracobrachialis at Shoulder musculus coracobrachialis pars scapularis Shoulder The coracobrachialis connects the coracoid to the humeral shaft, serving as the coracoid muscle that links… Muscle Deltoid musculus deltoideus Shoulder The deltoid is the large, triangular muscle that gives the shoulder its rounded contour, wrapping from… Muscle Deltoid (Anterior Head) musculus deltoideus pars clavicularis Shoulder The anterior deltoid is the clavicular head of the deltoid muscle, providing the primary force for… Muscle Deltoid (Posterior Head) musculus deltoideus pars spinalis Shoulder The posterior deltoid is the spinal head of the deltoid, performing the opposite movements of the… Muscle Deltoid Anterior Head Detail pars clavicularis m. deltoidei detail Shoulder The anterior head of the deltoid is the flexion and internal rotation component. It works antagonistically… Muscle Deltoid Deep Fascia Layer fascia profunda m. deltoidei Shoulder The deep deltoid fascia forms intramuscular septa giving the deltoid its multipennate architecture and allowing semi-independent… Muscle Deltoid Middle Head musculus deltoideus (pars acromialis) Shoulder The middle (acromial) head of the deltoid is the largest and most powerful of the three… Muscle Deltoid Posterior Head Detail pars spinalis m. deltoidei detail Shoulder The posterior deltoid head is the extension and external rotation component. It works with the infraspinatus… Muscle Infraspinatus musculus infraspinatus Shoulder The infraspinatus occupies most of the infraspinous fossa below the scapular spine and is the primary… Muscle Infraspinatus Detail musculus infraspinatus detail Shoulder The infraspinatus is the primary external rotator and is the second most commonly torn rotator cuff… Muscle Levator Scapulae at Scapular Insertion musculus levator scapulae (insertio) Shoulder Although levator scapulae originates in the neck, its distal insertion at the superior angle of the… Muscle Long Head of Biceps at Shoulder caput longum m. bicipitis brachii pars humeralis Shoulder At the shoulder level, the long head biceps functions as a humeral head depressor and anterior… Muscle Pectoralis Major Sternal Head pars sternalis musculi pectoralis majoris Shoulder The sternal head of pectoralis major is the larger, more powerful component, originating from the sternum… Muscle Pectoralis Minor (Coracoid Insertion) m. pectoralis minor (insertio coracoidea) Shoulder The pectoralis minor insertion at the coracoid is the structure shortened in anterior shoulder tightness syndromes… Muscle Rhomboid Major at Scapular Insertion musculus rhomboideus major (insertio scapularis) Shoulder The rhomboid major inserts along the medial scapular border at the shoulder level, providing scapular retraction… Muscle Serratus Anterior Lower Slips musculus serratus anterior (fasciculi inferiores) Shoulder The lower digitations of serratus anterior, arising from ribs 5-9, are the most powerful portion of… Muscle Serratus Anterior Lower Slips Detail musculus serratus anterior slips inferiores detail Shoulder The lower slips of serratus anterior are the most functionally important component — their pull on… Muscle Serratus Anterior Middle Slips musculus serratus anterior slips medii Shoulder The middle slips of serratus anterior connect the middle medial scapular border to the chest wall,… Muscle Serratus Anterior Upper Slips musculus serratus anterior (slips superiores) Shoulder The upper slips of serratus anterior, arising from ribs 1-6, are the portion that contributes to… Muscle Subscapularis musculus subscapularis Shoulder The subscapularis is the largest and strongest of the four rotator cuff muscles, located on the… Muscle Subscapularis Lower Portion musculus subscapularis (pars inferior) Shoulder The subscapularis is divided functionally into upper (tendinous) and lower (musculotendinous) portions, with the lower fibres…

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