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Muscle Attachments - MSK 2013

There will be no examination questions in which a pin is placed in a muscle and thequestion asks for that muscles attachment(s). The only exam questions related to muscleattachments will involve bony protuberances, notches, grooves, ridges or fossae, either directlyon bony specimens or on radiographs. For the sake of study time efficiency and avoidingambiguities, the following table summarizes what you should focus on regarding muscleattachments or soft tissue relationships to bony structures. Otherwise, you should focus on theposition of each muscle relative to the joint(s) it crosses as an approach to better understandingmuscle actions

Upper Limb

Bone Bony Structure Muscle(s) Related Soft Tissue

Scapula

Coracoid process Pec minor,coracobrachialis, short

head of biceps

Supraspinous fossa supraspinatus

Infraspinous fossa infraspinatus

Humerus

Greater tubercleSupraspinatus,infraspinatus, teres minor

Lesser tubercle subscapularis

Intertubercular grooveTendon long head ofbiceps

Surgical neck Axillary nerveRadial groove Radial nerve

Medial epicondyle Common flexor tendon Ulnar nerve

Lateral epicondyle Common extensor tendon

RadiusHead Annular ligament

Radial tuberosity Biceps tendon

Ulna

Olecranon process Triceps

Ulnar tuberosity Brachialis tendon

Middle phalanges,palmar side of 2-5

Flexor digitorumsuperficialis

Distal phalanges,palmar side of 2-5

Flexor digitorum profundus

Distal phalanx ofthumb

Flexor pollicis longus andextensor pollicis longus

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Lower Limb

Bone Bony Part Muscle(s) Related Soft Tissue

Ischium Ischial tuberosity

Semitendinosus,

semimembranosus, longhead biceps

Hamstring part of adductormagnus

Femur

Greater trochanterGluteus medius & minimus,piriformis, obturatorinternus, obturator externus

Lesser Trochanter Iliopsoas

Adductor tubercleHamstring part of adductor

magnus

Upper attachment of

MCL

Patella Quadriceps tendon

Tibia Tibial tuberosity Quadriceps tendon

Fibula Head Biceps femoris Fibular collateral lig.

Neck Common fibular nerve

5th metatarsal Tuberosity Fibularis brevis tendon