The Tough Palmar Skin,
What Do You See? No. 10

What are these odd “growths” on the end of these fingers?

They are callouses which have formed as the result of this individual’s avid guitar playing. (His strumming hand). These thick callouses demonstrate how the palmar skin reacts to repeated pressure or abrasion.  This self-made armor is a buildup of the outer keratinized layer of dead skin cells which serves a useful protective purpose.

Tough Palmar Skin

ADDITIONAL SUGGESTED READING

Clinical Pearl No. 33 – How Can Each Therapy Visit be as Focused and Productive as Possible?

Clinical Pearl No. 27 – Complex Made Simple: Pasta Transfer

Clinical Pearl No. 22 – Lumbrical Muscle Tightness & Testing

Clinical Pearl No. 21 – Nuances of Interosseous Muscle Tightness Testing

Clinical Pearl No. 20 – Quantifying Interosseous Muscle Tightness

Clinical Pearl No. 19 – Interosseous Muscle Tightness Testing

Clinical Pearl No. 3 – Making the Most of Mallet Finger Splinting

Book Chapter – Therapist’s Management of the Stiff Hand, Rehabilitation of the Hand and Upper Extremity – 2011

Journal Article – Exercise Splint for Effective Single-Finger Active Hook Exercises by Ahearn, D and Colditz, JC, Journal of Hand Therapy – 2005

Journal Article – Lumbrical Tightness: Testing and Stretching [Abstract only], Journal of Hand Surgery 2002

Journal Article – Efficient Mechanics of PIP Mobilisation Splinting, British Journal of Hand Therapy – 2000

What Do You See? No. 4 – The Lumbrical-Plus Finger

What Do You See? No. 2 – Finger Scissoring

Video Clip – Drawing the Dorsal Apparatus

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Disclaimer: HandLab’s What Do You See? is intended to be an informal sharing of practical clinical ideas; not formal evidence-based conclusions of fact.